Curriculum Vitae
Richard K. Olson
Department of Psychology
University of Colorado
Boulder, Colorado 80309
Date and Place of Birth: October 8, 1941, Minneapolis, Minnesota
Degrees:
B. A. Macalester College 1963
M. A. University of Oregon 1967
Ph.D. University of Oregon 1970
Professional Affiliations:
Assistant Professor, University of Colorado, September 1970 1977.
Associate Professor, University of Colorado, 1977 1985.
Professor, University of Colorado, 1986-present
Faculty Fellow, Institute for Behavioral Genetics, 1986-present
Associate Director, Colorado Learning Disabilities Research Center, 1990-2005
Director, Colorado Learning Disabilities Research Center, 2005-present
Vice President, Society for the Scientific Study of Reading, 1998-2000, President Elect 2001-2002, President, 2002-2003, Past President, 2004-2005.
Organizations
Institute for Behavior Genetics
Behavioral Genetics Association
International Dyslexia Association
Rodin Remediation Society
American Psychological Society
Society for the Scientific Study of Reading
Major Research Interests
Twin and linkage studies of genetic and environmental influences on reading and related skills. Computer-based remediation of reading disabilities.
I. Publications
A. Refereed Journal Articles
Olson, R. K. Generalization to similar and opposite words. Journal of Experimental Psychology, 1965, 70, 328 331.
Attneave, F., & Olson, R. K. Inferences about visual mechanisms from monocular depth effects. Psychonomic Science, 1966, 4, 133 134.
Attneave, F., & Olson, R. K. Discriminability of stimuli varying in physical and retinal orientation. Journal of Experimental Psychology, 1967, 74, 149 157.
Olson, R. K., & Attneave, F. What variables produce similarity grouping? American Journal of Psychology, 1970, 83, 1 21.
Attneave, F., & Olson, R. K. Pitch as a medium: A new approach to psychophysical scaling. American Journal of Psychology, 1971, 84, 147 166.
Olson, R. K. Slant judgments from static and rotating trapezoids correspond to rules of perspective geometry. Perception and Psychophysics, 1974, 15(3), 509 516.
Olson, R. K. Children's sensitivity to pictorial depth information. Perception and Psychophysics, 1975, 17, 59 64.
Alpern. H. P., Greer, C. A., Stripling, J. S., Collins, A. C., & Olson, R. K. Methagualone: Tolerance and physical dependence in mice. Psychopharmacologia (Berl.), 1975, 44, 303 305.
Olson, R. K., Pearl, M., Mayfield, N., & Millar, D. Sensitivity to pictorial shape perspective in 5 year old children and adults. Perception and Psychophysics, 1976, 20(3), 173 178.
Olson, R. K., & Boswell, S. L. Pictorial depth sensitivity in two year old children. Child Development, 1976, 47, 1175 1178.
Olson, R. K., & Hanson, V. Interference effects in tone memory. Memory and Cognition, 1977, 5, 32 40.
Keenan, J. M., & Olson, R. K. Musing about memory. Contemporary Psychology, 1978, 23(9), 627 629.
Keenan, J. M., & Olson, R. K. The imagery debate: a controversy over terms and cognitive styles. The Behavioral and Brain Sciences, 1979, 2, 558 559.
Kliegl, R., & Olson, R. K. Reduction and calibration of eye monitor data. Behavior Research Methods and Instrumentation. 1981, 13,(2), 107 111.
Kliegl, R., Olson, R. K., & Davidson, B. J. Regression analyses as a tool for studying reading processes: Comment of Just and Carpenter's eye fixation theory. Memory and Cognition, 1982, 10, 287 296.
Olson, R. K., Kliegl, R., & Davidson, B. J. Dyslexic and normal readers' eye movements. Journal of Experimental Psychology: Human Perception and Performance, 1983, 9, 816 825.
Olson, R. K., Kliegl, R., Davidson, B. J., & Davies, S. E. Development of phonetic memory in disabled and normal readers. Journal of Experimental Child Psychology, 1984, 37, 187 206.
Olson, R. K. Component processes in reading and spelling. Contemporary Psychology, 1985, 30, 797 798. (Book Review)
Olson, R. K., and Keenan, J. Segmentation in models of reading. The Behavioral and Brain Sciences, 1985, 8, 719 720.
Olson, R. K., Foltz, G., & Wise, B. Reading instruction and remediation with the aid of computer speech. Behavior Research Methods, Instruments, and Computers, 1986, 18, 93 99.
Olson, R. K., Foltz, G., and Wise, B. Reading instruction and remediation using voice synthesis in computer interaction. Proceedings of the Human Factors Society, 1986, 2, 1336 1339.
Olson, R.K., Wise, B., Conners, F., Rack, J. & Fulker, D. (1989). Specific deficits in component reading and language skills: Genetic and environmental influences. Journal of Learning Disabilities, 22, 339 348.
Wise, B., Olson, R., Anstett, M., Andrews, L., Terjak, M., Schneider, V., & Kostuch, J. (1989). Implementing a longterm computerized remedial reading program with synthetic speech feedback: Hardware, software, and real world issues. Behavior Research Methods, Instruments, and Computers, 21, 173 180.
Olson, R.K., Wise, B.W., & Rack, J.P. (1989). Dyslexia: Deficits, genetic aeitology and computer based remediation. The Irish Journal of Psychology, 10, 4, 530 544.
Wise, B.W., Olson, R.K., & Treiman, R. (1990). Sub syllabic units in children's word learning: Onset rime vs. post vowel segmentation. Journal of Experimental Child Psychology, 49, 1 19.
Olson, R.K. (1990). Synthetic speech strengthens word decoding skills. Their World, p. 53.
Anderson-Inman, L., Adler, W., Cron, M., Hillinger, M., Olson, R., & Prohaska, B. (1990). Speech: The third dimension. The Computing Teacher, 17, 35-40.
DeFries, J.C., Olson, R.K., Pennington, B.F., & Smith, S.D. (1991). Colorado reading project: Past, present, and future. Learning Disabilities: Multidisiplinary Journal, 2 (2), pp. 37-46.
Olson, R.K. (1991). An epidemiological study of dyslexia in Norway. Contemporary Psychology, 36 (9), pp. 765-766. (Book Review)
Olson, R.K., Gillis, J.J., Rack, J.P., DeFries, J.C., & Fulker, D.W. (1991). Confirmatory factor analysis of word recognition and process measures in the Colorado Reading Project. Reading and Writing: An Interdisciplinary Journal, 3, 235-248. Re-published in B.F. Pennington (Ed.). (1992). Reading Disabilities: Genetic and Neurological Influences (pp. 47-60). Dordrecht, The Netherlands: Kkluwer Academic Publishers.
Rack, J.P., Snowling, M.J., & Olson, R.K. (1992). The nonword reading deficit in developmental dyslexia: a review. Reading Research Quarterly, 27(1), 28-53.
Wise, B.W. & Olson, R.K. (1992). How poor readers and spellers use interactive speech in a computerized spelling program. Reading and Writing: An Interdisciplinary Journal, 4, 145-163.
Olson, R.K. & Wise, B.W. (1992). Reading on the computer with orthographic and speech feedback: An overview of the Colorado Remedial Reading Project. Reading and Writing: An Interdisciplinary Journal, 4, 107-144.
Pennington, B.F., Gilger, J.W., Olson, R.K., & DeFries, J.C. (1992). External validity if age versus IQ discrepant definitions of reading disability. Journal of Learning Disabilities, 25, 562-573.
Rack, J.P., & Olson, R.K. (1993). Phonological deficits, IQ and individual differences in reading disability: Genetic and environmental influences. Developmental Review, 13, 269-278.
Wise, B.W., & Olson, R.K. (1994). Computer speech and the remediation of reading and spelling problems. Journal of Special Education Technology, 12, 207-220.
Wadsworth, S.J., DeFries, J.C., Fulker, D.W., Olson, R.K., & Pennington, B.F. (1995). Reading performance and verbal short-term memory: A twin study of reciprocal causation. Intelligence, 20, 145-167.
Hyona, J., & Olson, R.K. (1995). Eye fixation patterns among dyslexic and normal readers: Effects of word length and word frequency. Journal of Experimental Psychology: Learning, Memory, and Cognition, 21 (6), 1-11.
Wise, B.W., & Olson, R.K. (1995). Computer-based phonological awareness and reading instruction. Annals of Dyslexia, 45, 99-122.
Defries, J.C., Filipek, P.A., Fulker, D.W., Olson, R.K., Pennington, B.F., Smith, S.D., & Wise, B.W. (1997). Colorado Learning Disabilities Research Center. Learning Disabilities, 8, 7-19.
Wise, B.W., Ring, J., Sessions, L., & Olson, R.K. (1997). Phonological awareness with and without articulation: A preliminary study. Learning Disability Quarterly, 20, 211-225.
Olson, R.K., Wise, B.W., Ring, J., & Johnson, M. (1997). Computer-based remedial training in phoneme awareness and phonological decoding: Effects on the post-training development on word recognition. Scientific Studies of Reading, 1, 235-253.
Olson, R.K. (1997). The Colorado Learning Disabilities Research Center. Perspectives, 23, 17-20.
Scarborough, H.S., Ehri, L.C., Olson, R.K., & Fowler, A.E. (1998). The fate of phonemic awareness beyond the elementary school years. Scientific Studies of Reading. 2, 115-142.
Light, J.G., DeFries, J.C., & Olson, R.K. (1998). Multivariate behavioral genetic analysis of achievement and cognitive measures in reading-disabled and control twin pairs. Human Biology, 70, 215-237.
(This paper received the Lasker Award from the Editors for the best 1998 paper in Human Biology.)
Gayán, J., Smith, S.D., Cherny, S.S., Cardon, L.R., Fulker, D.W., Kimberling, W.J., Olson, R.K., Pennington, B., & DeFries, J.C. (1999). Large quantitative trait locus for specific language and reading deficits in chromosome 6p. American Journal of Human Genetics. 64, 157-164.
Castles, A., Datta, H., Gayán, J., & Olson, R.K. (1999). Varieties of developmental reading disorder: Genetic and environmental influences. Journal of Experimental Child Psychology, 72, 73-94.
Wise, B.W., Ring, J., & Olson, R.K. (1999). Training phonological awareness with and without attention to articulation. Journal of Experimental Child Psychology, 72, 271-304.
Gayán, J., & Olson, R.K. (1999). Reading disability: Evidence for a genetic etiology. European Child & Adolescent Psychiatry, 8, 52-55 Suppl. 3.
Wadsworth, S.J., Olson, R.K., Pennington, B.F., & DeFries, J.C. (2000). Differential genetic etiology of reading disability as a function of IQ. Journal of Learning Disabilities., 33, 192-199.
Gayán, J., & Olson, R.K. (2000). Behavioral genetic analysis of individual differences in printed word recognition, phonological and orthographic coding, phoneme awareness, and IQ. Behavioral Genetics, 29, 356.
Wise, B.W., Ring, J., & Olson, R.K. (2000). Individual differences in gains from computer-assisted remedial reading with more emphasis on phonological analysis or accurate reading in context. Journal of Experimental Child Psychology, 77, 197-235.
Won, T.W., Ahn, J., Pauls, D., Olson, R., DeFries, J., Wood, F., Page, G., Smith, S.D., & Gruen, J. (2000). Linkage disequilibrium studies of reading disability on 6p22. American Journal of Human Genetics, 67, (Supplement 2), 46. (Abstract).
Brower, A.M., Deffenbacher, K.E., Olson, R.K., DeFries, J.C., & Smith, S.D. (2000). Resolution of marker order and distance to refine linkage in specific reading disability. American Journal of Human Genetics, 67 (Supplement 2), 322. (Abstract).
Smith, S.D., Pennington, B.F., Willcutt, E., Deffenbacher, K., Hoover, D., Smolen, A., Moyzis, R., Olson, R.K., & DeFries, J.C. (2000). Linkage of an ADHD phenotype to 6p21.3 in a population with reading disability. American Journal of Human Genetics, 67, (Supplement 2), 350. (Abstract).
Willcutt, E.G., Pennington, B.F., Olson, R.K., Boada, R., Ogline, J., Tunick, R., & Chhabildas, N. (2001). A comparison of the cognitive deficits in reading disability and attention-deficit/hyperactivity disorder. Journal of Abnormal Psychology, 110, 157-172.
Smith, S.D., Kelley, P.M., Askew, J.W., Hoover, D.M., Deffenbacher, K.E., Gayan, J., Brower, A., & Olson, R.K. (2001). Reading disability and chromosome 6p21.3: Evaluation of MOG as a candidate gene. Journal of Learning Disabilities, 34, 512-519.
Davis, C.J., Gayan, J., Knopik, V.S., Smith, S.D., Cardon, L.R., Pennington, B.F., Olson, R.K., & DeFries, J.C. (2001). Etiology of reading difficulties and rapid naming: The Colorado Twin Study of Reading Disability. Behavior Genetics, 31 (6), 625-635.
Gayán, J., & Olson, R.K. (2001). Genetic and environmental influences on orthographic and phonological skills in children with reading disabilities. Developmental Neuropsychology, 20 (2), 487-511.
Davis, C.J., Knopik, V.S., Olson, R.K., Wadsworth, S.J., & DeFries, J.C. (2001). Genetic and environmental influences on rapid naming and reading ability: A twin study. Annals of Dyslexia, 51, 241-258.
Cross, R.J., Gayan, J., DeFries, J.C., and Olson, R.K. (2001). Differential genetic etiology of reading disability as a function of processing speed. Behavioral Genetics, 31, 450 (Abstract)
Davis, C.J., Gayán, J., Knopic, V.S., Smith, S.D., Cardon, L.R., Pennington, B.F., Olson, R.K., DeFries, J.C. (2001). Reading difficulties and rapid naming: Bivariate twin and genetic linkage analyses. Behavioral Genetics, 31, 451 (Abstract)
Compton, D.L., DeFries, J.C., & Olson, R.K. (2001). Are RAN and phonological awareness deficits additive in children with reading disabilities? Dyslexia, 7, 125-149.
Olson, R.K. & Datta, H. (2002). Visual-temporal processing in reading-disabled and normal twins. Reading and Writing, 15, 127-149.
Willcutt, E.G., Pennington, B.F., Smith, S.D., Cardon, L.R., Gayan, J., Knopic, V.S., Olson, R.K., & DeFries, J.C. (2002). Quantitative trait locus for reading disability on chromosome 6p is pleiotropic for attention-deficit/hyperactivity disorder. American Journal of Medical Genetics (Neuropsychiatric Genetics), 114, 260-268.
Fisher, S.E., Francks, C., Marlow, A.J., MacPhie, L., Williams, D.F., Cardon, Lon R., Ishikawa-Brush, Y., Talcott, J.B., Richardson, A.J., Gayan, J., Olson, R.K., Pennington, B.F., Smith, S.D., DeFries, J.C., Stein, J.F., & Monaco, A.P. (2002). Genome-wide scans in independent samples reveal strong convergent evidence for a chromosome 18 quantitative-trait locus influencing developmental dyslexia. Nature Genetics, 30, 86-91.
Franks, C., Fisher, S.E., Olson, R.K., Pennington, B.F., Smith, S.D., DeFries, J.C., & Monaco, A.P. (2002). Fine mapping of the chromosome 2p12-16 dyslexia susceptibility locus: Quantitative association analysis and positional candidate genes SEMA4F and OTX1. Psychiatric Genetics, 12, 35-41.
Kaplan, D.E., Gayan, J., Ahn, J., Won, T.W., Pauls, D., Olson, R., DeFries, J.C., Wood, F., Pennington, B., Page, G., Smith, S.D., & Gruen, J.R. (2002). Evidence for linkage and association with reading disability on 6P21.3-22. American Journal of Human Genetics, 70, 1287-1298.
Knopik, V.S., Smith, S.D., Cardon, L., Pennington, B., Gayan, J., Olson, R.K., & DeFries, J.C. (2002). Differential genetic etiology of reading component processes as a function of IQ. Behavior Genetics, 32, 181-198.
Compton, D.L., Olson, R.K., & DeFries, J.C., and Pennington, B.F. (2002). Are all RAN created equal? Comparing the relationships among two different formats of alphanumeric RAN and various word reading skills in normally achieving and reading disabled individuals. Scientific Studies of Reading, 6 (4), 343-368.
Boada, R., Willcutt, E.G., Tunick, R.A., Chhabildas, N.A., Olson, R.K., DeFries, J.C., & Pennington, B.F. (2002). A twin study of the etiology of high reading ability. Reading and Writing: An Interdisciplinary Journal, 15, 683-707.
Byrne, B., Delaland, C., Fielding-Barnsley, R., Quain, P., Samuelsson, S., Hoien, T., Corley, R., DeFries, J.C., Wadsworth, S., Willcutt, E., & Olson, R.K. (2002). Longitudinal twin study of early reading development in three countries: Preliminary results. Annals of Dyslexia, 52, 49-74.
Olson, R.K. (2002). Dyslexia: Nature and nurture. Dyslexia, 8, 143-159.
Cross, R.J., Davis, C.J., Rhee, S., Wadsworth, S.J., DeFries, J.C. & Olson, R.K. (2002). The effect of subtype classification methods on estimates of differential heritability (Abst). Behavior Genetics, 32, 462.
Davis, C.J., Fisher, S.E., Franks, C., MacPhie, I.L., Gayan, J., Smith, S.D., Cardon, L.R., Pennington, B.F., Olson, R.K., Monaco, A.P. & DeFries, J.C. (2002). Bivariate linkage analyses for reading difficulties and rapid naming (Abst.). Behavior Genetics, 32, 462.
Fisher, S.E., Franks, C., Marlow, A.F., MacPhie, I.L., Newbury, D.F., Cardon, L.R., Ishikawa-Brush, Y., Richardson, A.J., Talcott, J.B., Gayan, J., Olson, R.K., Pennington, B.F., Smith, S.D., DeFries, J.C., Stein, J.F., & Monaco, A.P. (2002). Quantitative trait analysis of the entire genome in large samples of dyslexia sib-pairs from the UK and US (Abst). Behavior Genetics, 32, 464.
Gayán, J.D., Kaplan, D.E., Ahn, J., Won, T.W., Pauls, D., Olson, R.K., DeFries, J.C., Wood, F., Pennington, B.F., Page, G.P., Smith, S.D., & Gruen, J.R. (2002). Fine mapping linkage and association analyses of reading disability in the 6p21.3-22 region (Abst.). Behavior Genetics, 32, 465-466.
Olson, R.K. (2002). Genetic and environmental influences on reading and related cognitive skills. Dyslexi, 4, 10-16.
Gayán, J., & Olson, R.K. (2003). Genetic and environmental influences on individual differences in printed word recognition. Journal of Experimental Child Psychology, 84, 97-123.
Deffenbacher, K.E., Kenyon, J.B., Hoover, D.M., Olson, R.K., Pennington, B.F., DeFries, J.C. & Smith, S.D. (2003). Refinement of the 6p21.3 QTL influencing dyslexia through linkage and association analysis (Abst.). American Journal of Human Genetics, suppl. 73, p. 497.
Olson, R.K. (2004). SSSR, environment, and genes. Scientific Studies of Reading, 8(2), 111-124.
de Jong, P, & Olson, R.K. (2004). Early Predictors of Letter Knowledge. Journal of Experimental Child Psychology, 88, 254-273.
Hulslander, J., Talcot, J., Witton, C., DeFries, J., Pennington, B., Wadsworth, S., Willcutt, E., & Olson, R.K. (2004). Sensory processing, reading, IQ, and attention. Journal of Experimental Child Psychology, 88, 274-295.
Olson, R.K. (2004). Genes, environment, and the components of the reading process. Perspectives, 30 (3), 6-9.
Tiu, R.D., Wadsworth, S.J., Olson, R.K., & DeFries, J.C. (2004). Causal models of reading disability: A twin study. Twin Research, 7(3), 275-283.
Deffenbacher, K.E., Kenyon, J.B., Hoover, D.M., Olson, R.K., Pennington, B.F., DeFries, J.C., & Smith, S.D. (2004). Refinement of the 6P21.3 QTL influencing dyslexia: Linkage and association analyses. Human Genetics, 115, 128-138.
Francks, C., Paracchini, S., Smith, S.D., Richardson, A.J., Scerri, T.S., Cardon, L.R., Marlow, A.J., MacPhie, L.I.,Walter, J., Pennington, B.F., Fisher, S.E., Olson, R.K., DeFries, J.C., Stein, J.F., & Monaco, A.P. (2004). A 77 kilobase region of chromosome 6p22.2 is associated with dyslexia in families from the United Kingdom and from the United States. American Journal of Human Genetics, 75, 1046-1058.
Clyde Francks1, Silvia Paracchini1, Shelley D. Smith2, Alex J. Richardson3, Tom S. Scerri1, Lon R. Cardon1, Angela J. Marlow1, I. Laurence MacPhie1, Janet Walter3, Bruce F. Pennington4, Simon E. Fisher1, Richard K. Olson5, John C. DeFries5, John F. Stein3, and Anthony P. Monaco1. (2004). Association mapping of the 6p23-21.3 QTL for reading disability6 (Abst.). Behavioral Genetics.
Javier Gayán1, Erik G. Willcutt2, Simon E. Fisher1, Clyde Francks1, Lon R. Cardon1, Richard K. Olson2, Bruce F. Pennington3, Shelley D. Smith4, Anthony P. Monaco1, and John C. DeFries2 (2004). Bivariate Linkage Scan for Reading Disability and Attention-Deficit/Hyperactivity Disorder5 (Abstract). Behavioral Genetics.
Shelley D. Smith1, Karen E. Deffenbacher1, R. Boada2, N. Raitano2, R. Tunick2, Richard K. Olson3, Bruce F. Pennington2, John C. DeFries3 (2004). Linkage, association and candidate-gene analyses for reading disability and speech sound disorder4 (Abstract). Behavioral Genetics
Erik G. Willcutt1,2, Bruce F. Pennington3, Richard K. Olson1,2, and John C. DeFries1 (2004). Understanding comorbidity: a twin study of reading disability and attention-deficit/hyperactivity disorder (Abstract). Behavioral Genetics.
Willcutt, E.G., Pennington, B.F., Olson, R.K., Chhabildas, N., & Hulslander, J. (2005). Neuropsychological analyses of comorbidity between RD and ADHD: In search of the common deficit. Developmental Neuropsychology, 27(1), 35-78.
Gayán, J., Willcutt, E.G., Fisher, S.E., Franks, C., Cardon, L.R., Olson, R.K., Pennington, B.F., Smith, S.D., Monaco, A.P., & DeFries, J.C. (2005). Bivariate linkage scan for reading disability and attention-deficit/hyperactivity disorder localizes pleiotropic loci. Journal of Child Psychology and Psychiatry, 46, 1045-1056.
Byrne, B., Wadsworth, S., Corley, R., Samuelsson, S., Quain, P., DeFries, J.C., Willcutt, E., & Olson, R.K. (2005). Longitudinal twin study of early literacy development: Preschool and kindergarten phases. Scientific Studies of Reading, 9, 219-235.
Samuelsson, S., Byrne, B., Quain, P., Corley, R., DeFries, J.C., Wadsworth, S., Willcutt, E., & Olson, R.K. (2005). Environmental and genetic influences on pre-reading skills in Australia, Scandinavia, and the U.S. Journal of Educational Psychology, 97 (4), 705-722.
Meng, H., Hager, K., Held, M., Page, G.P., Olson, R.K., Pennington, B.F., DeFries, J.C., Smith, S.D., & Gruen, J.R. (2005). TDT-association analysis of EKN1 and Dyslexia in a Colorado Twin Cohort. Human Genetics, 18, 87-90.
Meng, H., Smith, S.D., Hager, K., Held, M., Liu, J., Olson, R.K., Pennington, B.F., DeFries, J.C., Gelernter, J. O'Reilly-Pol, T., Somlo, S., Skudlarski, P., Shaywitz, S.F., Shaywitz, B.A., Marchione, K., Wang, Y., Paramasivam, M., LoTurco, J.J., Page, G.P., Gruen, J.R. (2005). DCDC2 is Associated with Reading Disability and Modulates Neuronal Migration in the Brain. Proceedings of the National Academy of Science, 102(47), 17053-17058. (on line at www.pnas.org/cgi/dol/10.1073/pnas.0508591102 )
Friend, A., DeFries, J.C., Wadsworth, S.J., & Olson, R.K. (2006). Developmental differences in the genetic etiology of reading and spelling disabilities (Abst.). Behavior Genetics, 36, 964.
Byrne, B., Olson, R. K., Samuelsson, S., Wadsworth, S., Corley, R., DeFries, J.C., & Willcutt, E. (2006). Genetic and environmental influences on early literacy. Journal of Research in Reading, 29, 33-49.
Keenan, J.M., Betjemann, R., Wadsworth, S. J., DeFries, J. C., & Olson, R. K. (2006). Genetic and environmental influences on reading and listening comprehension. Journal of Research in Reading, 29, pp. 75-91.
Shanahan, M., Pennington, B.F., Yerys, B., Scott, A., Boada, R., Willcutt, E. G., Olson, R.K., & DeFries, J.C. (2006). Processing speed deficits in Attention Deficit/Hyperactivity Disorder and Reading Disability. Journal of Abnormal Child Psychology, 35, 585-602.
Olson, R.K. (2006). Genes, Environment, and Dyslexia: The 2005 Norman Geschwind Memorial Lecture. Annals of Dyslexia, 56(2), 205-238.
Betjemann, R.S., Willcutt, E.G., Olson, R.K., Keenan, J.M., DeFries, J.C., & Wadsworth, S.J. (2006). A Preliminary Investigation of the Genetic Etiology of Reading Comprehension Over Time (Abstract). Behavior Genetics, 36, 956.
Willcutt, E.G., Betjeman, R.S., Wadsworth, S.J., Samuelsson, S., Corley, R., DeFries, J.C., Byrne, B., Pennington, B.F., & Olson, R.K. (2007). Preschool twin study of the relation between attention-deficit/hyperactivity disorder and prereading skills. Reading and Writing: An Interdisciplinary Journal, 20, 103-125.
Byrne, B., Samuelsson, S., Wadsworth, S., Hulslander, J., Corley, R., DeFries, J. C., Quain, P., Willcutt, E., & Olson, R.K. (2007). Longitudinal twin study of early literacy development: Preschool through Grade 1. Reading and Writing: An Interdisciplinary Journal, 20, 77-102.
Hawke, J. L., Wadsworth, S. J., Olson, R. K., & DeFries, J. C. (2007). Etiology of reading difficulties as a function of gender and severity. Reading and Writing: An Interdisciplinary Journal, 20, 13-25.
Samuelsson, S., Olson, R.K., Wadsworth, S., Corley, R., DeFries, J.C., Willcutt, E., Hulslander, J., & Byrne, B. (2007). Genetic and environmental influences on pre-reading skills and early reading and spelling development: A comparison among United States, Australia, and Scandinavia. Reading and Writing: An Interdisciplinary Journal, 20, 51-75.
Olson, R.K. (2007). Introduction to the special issue on genes, environment, and reading. Reading and Writing: An Interdisciplinary Journal, 20, 1-11.
Friend, A., DeFries, J.C., Wadsworth, S.J. & Olson, R.K. (2007). Genetic and Environmental Influences on Word Recognition and Spelling Deficits as a Function of Age. Behavior Genetics, 37, 477-486.
Phinney, E., Pennington, B.F., Olson, R.K., Filley, C.M., & Filipek, P.A. (2007). Brain structure correlates of component reading processes: Implications for reading disability. Cortex, 43, 777-791.
Willcutt, E. G., Pennington, B. F., Olson, R. K., & DeFries, J. C. (2007). Understanding comorbidity: A twin study of reading disability and attention-deficit/hyperactivity disorder. American Journal of Medical Genetics (Neuropsychiatric Genetics), 8, 709 - 714.
Wadsworth, S.J., DeFries, J.C., Olson, R.K., & Willcutt, E.G. (2007). Colorado Longitudinal Twin Study of Reading Disability. Annals of Dyslexia, 57, 137-160.
Willcutt, E. G., Betjemann, R. S., Pennington, B. F., Olson, R. K., DeFries, J. C., & Wadsworth, S. J. (2007). Longitudinal study of reading disability and attention-deficit/hyperactivity disorder: Implications for education. Mind, Brain, and Education, 1, 181-191.
Friend, A., DeFries, J.C., & Olson, R.K. (2007). Parental education mediates heritability in a sample of twins selected for reading disability. Behavior Genetics (Abstract), 37, 753-754.
Friend, A., & Olson, R.K. (2008). Phonological Spelling and Reading Deficits in Children with Spelling Disabilities. Scientific Studies of Reading, 12, 90-105.
Byrne, B., Coventry, W. L., Olson, R. K , Hulslander, J., Wadsworth, S., DeFries, J. C., et al. (2008). A behavior-genetic analysis of orthographic learning, spelling, and decoding. Journal of Research in Reading, 31, 8-21.
Betjemann, R.S., Willcutt, E.G., Olson, R.K., Keenan, J.M., DeFries, J.C., & Wadsworth, S.J. (2008). Word reading and reading comprehension: Stability, overlap, and independence. Reading and Writing: An Interdisciplinary Journal, 21, 539-558.
Keenan, J.M., Betjemann, R.S., & Olson, R.K. (2008). Reading Comprehension Tests Vary in the Skills They Assess: Differential Dependence on Decoding and Oral Comprehension. Scientific Studies of Reading, 12(3), 281-300.
Samuelsson, S., Byrne, B., Olson, R.K., Hulslander, J., Wadsworth, S., Corley, R., DeFries, J.C. (2008). Response to early literacy instruction in the United States, Australia, and Scandinavia: A behavior-genetic analysis. Learning and Individual differences, 18, 289-295. PubMed Central ID # NIHMS69599
Friend, A., DeFries, J.C., & Olson, R.K. (2008). Parental Education Moderates Genetic Influences on Reading Disability. Psychological Science,19, 1124-1130. PubMed Central ID# NIHMSID63472
Cardoso-Martins, C., Peterson, R., Olson, R.K., & Pennington, B. (2009). Component reading skills in Down Syndrome. Reading and Writing: An Interdisciplinary Journal, 22, 277-292.
Byrne, B., Coventry, W.L., Olson, R.K., Samuelsson, S., Corley, R., Willcutt, E.G., Wadsworth, S., & DeFries, J.C. (2009). Genetic and Environmental Influences on Aspects of Literacy and Language in Early Childhood: Continuity and Change from Preschool to Grade 2. Journal of Neurolinguistics, 22, 219-236. PubMed Central ID # NIHMSID75236.
Pennington, B.F., McGrath, L.M., Barnard, H., Rosenberg, J., Smith, S.D., Willcutt, E.G., Friend, A., DeFries, J.C., & Olson, R.K. (2009). Gene x environment interactions across the phenotypic distribution: Evidence from reading disability and attention-deficit/hyperactivity disorder. Developmental Psychology, 45, 77-89.
Friend, A., DeFries, J.C., Olson, R.K., Pennington, B., Harlaar, N., Byrne, B., Samuelsson, S., Willcutt, E., Wadsworth, S., Corley, R., Keenan, J.M. (2009). Heritability of high reading ability and its interaction with parental education. Behavior Genetics, 39, 427-436
Hawke, J.L., Olson, R.K., Willcut, E.G., Wadsworth, S.J., & DeFries, J.C. (in press). Gender ratios for reading difficulties. Dyslexia.
C.M.A. Haworth, M.J. Wright, M. Luciano, N.G. Martin, E.J.C. de Geus, C.E.M. van Beijsterveldt, M. Bartels, D. Posthuma, D.I. Boomsma, O.S.P. Davis, Y. Kovas, R.P. Corley, J.C. DeFries, J.K. Hewitt, R.K. Olson, S.ARhea, S.J. Wadsworth, W.G. Iacono, M. McGue, L.A. Thompson, S.A. Hart, S.A. Petrill, D Lubinski, & R. Plomin (in press). The heritability of general cognitive ability increases linearly from childhood to young adulthood. Molecular Psychiatry.
Byrne, B., Coventry, W.L., Olson, R.K., Wadsworth, S.J., Samuelsson, S., Petrill, S.A., Willcutt, E.G., & Corley, R. (in press). "Teacher effects" in early literacy development: Evidence from a study of twins. Journal of Educational Psychology.
Hulslander, J., Olson, R. K., Wadsworth, S. J., & Willcutt, E. G. (in press). Longitudinal stability of reading-related skills and their prediction of reading growth across the later grades. Scientific Studies of Reading.
Ebejer, J.L., Coventry, W.L., Byrne, B., Willcutt, E.G., Olson, R.K., Corley, R., & Sammuelson, S. (in press). Genetic and Environmental Influences on Inattention,Hyperactivity-Impulsivity, and Reading: Kindergarten to Grade 2. Scientific Studies of Reading.
Willcutt, E. G., Betjemann, R., Olson, R. K., DeFries, J. C., Pennington, B. F., & Wadsworth, S. J. (submitted) Outcome of children with reading disability and/or ADHD as young adults.
Willcutt, E.G., Betjemann, R.S., McGrath, L., Chhabildas, N.A., Olson, R.K., DeFries, J.C., & Pennington, B.F. (submitted). Etiology and neuropsychology of comorbidity between RD and ADHD: the case for multiple-deficit models.
Peterson, R.L., Pennington, B.F., & Olson, R.K. (submitted). Subtypes of developmental dyslexia: Testing the predictions of the dual-route and connectionist frameworks.
B. Books (study guides and multi authored NRC report)
Hodges, W. F., & Olson, R. K. Student guide. New York: Ronald, 1974.
Olson, R. K., & Hodges, W. F. Student Guide. New York: Wiley, 1980.
(1998) Preventing Reading Difficulties in Young Children. Washington, D.C.: National Academy Press. This is a multi-authored book by the members of the committee.
D. Book Chapters
Olson, R. K. Physical, perceptual, and cognitive development. In K. Schlesinger & P. Groves, Psychology: A dynamic science. Dubuqe: W. C. Brown, 1976.
Olson, R. K. Social and personality development. In K. Schlesinger & P. Groves, Psychology: A dynamic science. Dubuque: W. C. Brown, 1976.
Olson, R. K., Yonas, A., & Cooper, R. Development of Pictorial Perception. In M. Hagen (Ed.), The Perception of Pictures, Vol. 2. Academic Press, 1980.
Olson, R. K., Kliegl, R., & Davidson, B. J. Eye movements in reading disability. In K. Rayner (Ed.), Eye Movements in Reading: Perceptual and Language Processes (pp. 467-480). New York: Academic Press, 1983.
Kliegl, R., Olson, R. K., and Davidson, B. J. On problems of unconfounding perceptual and language processes. In K. Rayner (Ed.) Eye Movements in Reading: Perceptual and Language Processes. New York: Academic Press, 1983.
Olson, R. K., Kliegl, R., Davidson, B.J., & Foltz, G. Individual and developmental differences in reading disability. In G.E. MacKinnon and T.G. Waller (Eds.), Reading research: Advances in theory and practice, Vol. 4. New York: Academic Press, 1985. pp. 1 64.
Olson, R. K. Disabled reading processes and cognitive profiles. In D. Gray and J. Kavanagh (Eds.). Biobehavioral Measures of Dyslexia Parkton, MD: York Press, 1985. pp. 215 244.
Olson, R. K. & Wise, B. (1987). Computer speech in reading instruction. In D. Reinking (Ed.), Computers and Reading: Issues for Theory and Practice. New York: Teachers College Press. pp. 156 177.
Olson, R. K., Wise, B., Conners, F., & Rack, J. (1989). Deficits in disabled readers' phonological and orthographic coding: Etiology and remediation. In C. von Euler, I. Lundberg, and G. Lennerstrand (Eds.), Brain and Reading. New York: Stockton Press. pp. 233 242.
Olson, R.K., & Conners, F. (1989). Heritability of eye movement patterns in dyslexic and normal readers. In R. Schmid & D. Zambarbieri (Eds.), Fifth European conference on eye movements: Proceedings. Pavia: University of Pavia. pp. 49 51.
Olson, R.K., Wise, B., Conners, F., & Rack, J. (1990). Organization, heritability, and remediation of component word recognition and language skills in disabled readers. In T.H. Carr and B.A. Levy (Eds.), Reading and its development: Component skills approaches. New York: Academic Press. pp. 261-322.
Conners, F., and Olson, R.K. (1990). Reading comprehension in dyslexic and normal readers: A component skills analysis. In D.A. Balota, G.B. Flores d'Arcais, & K. Rayner (Eds.), Comprehension processes in reading. Hillsdale, NJ: Erlbaum. pp. 557-579.
Olson, R.K., Rack, J.P., Conners, F.A., DeFries, J.C., and Fulker, D.W. (1991). Genetic etiology of individual differences in reading disability. In L.V. Feagans, E.J. Short, & L.J. Meltzer (Eds.), Subtypes of learning disabilities. Hillsdale, NJ: Lawerence Erlbaum Associates. pp. 113-135.
Wise, B.W., & Olson, R.K. (1991). Remediating reading disabilities. In J.E. Obrzut and G.W. Hynd (Eds.), Neuropsychological foundations of learning disabilities. New York: Academic Press. pp. 631-658.
Olson, R.K., Conners, F.A., & Rack, J.P. (1991). Eye movements in dyslexic and normal readers. In J.F. Stein (Ed.), Vision and visual dyslexia. London: Macmillan & Co.. pp. 243-250.
Olson, R.K., Rack, J.P., and Conners, F.A. (1991). Eye movements and their heritability in dyslexic and normal readers. R. Schmid & D. Zambarbieri (Eds.), Fifth European conference on eye-movements. Elsevier Science Publisher. pp. 503-513.
DeFries, J.C., Olson, R.K., Pennington, B.F., & Smith, S.D. (1991). Colorado reading project: An update. In D. Duane and D. Gray (Eds.), The reading brain: The biological basis of dyslexia. Parkton, MD: York Press. pp. 53-87.
Olson, R.K. (1991). The family connection in dyslexia. In I. Lundberg & T. Hoien (Eds.), Literacy in a world of change. Stavanger, Norway: Center for Reading Research. pp 110-122.
Olson, R.K., & Wise, B. (1992). Lire un texte avec un ordinateur en feedback:
Expose des recherches de R. K. Olson et B. Wise. In R. Cohen (Ed.), Quand l'ordinateur parle... Utilisation de la synthese vocale dansl'apprentissage et le perfectionnement de la langue ecrite (pp. 204- 208). Saint-Germain France: Presses Uiversitaires de France.
Olson, R.K., & Forsberg, H. (1993). Disabled and normal readers' eye movements in reading and non-reading tasks. In D.M. Willows, R.S. Kruk, & E. Corcos (Eds.). Visual processes in reading and reading disabilities (pp. 377-392). Hillsdale, NJ: Lawrence Erlbaum Assoc. Inc..
Olson, R., Forsberg, H., Wise, B., & Rack, J. (1994). Measurement of word recognition, orthographic, and phonological skills. In G.R. Lyon (Ed.) Frames of reference for the assessment of learning disabilities: New views on measurement issues (pp. 243-277). Baltimore: Paul H. Brookes Publishing Co.
Olson, R.K. (1994). Language deficits in "specific" reading disability. In M. `Gernsbacher (Ed.). Handbook of Psycholinguistics, pp. 895-916. New York: Academic Press.
Wise, B.W., & Olson, R.K. (1994). Using computers to teach spelling to children with learning disabilities. G.D. Brown & N.C. Ellis (Eds.). Handbook of normal and disturbed spelling (pp. 481-503). Chichester UK: John Wiley & Sons Ltd..
Olson, R.K., Forsberg, H., & Wise, B. (1994). Genes, environment, and the development of orthographic skills. In V.W. Berninger (Ed.), The varieties of orthographic knowledge I: Theoretical and developmental issues (pp. 27-71). Dordrecht, The Netherlands: Kluwer Academic Publishers.
Hyona, J., & Olson, R.K. (1994). Dyslexic and normal readers' eye movement patterns in reading, visual search and tracking. In J. Ygge & G. Lennerstrand (Eds.), Eye movements in reading (pp. 233-244). Oxford: Elsevier Science Ltd.
Wise, B.W. & Olson, R.K. (1995). What computer speech adds to remedial reading. In A.K. Syrdal, R. Bennett, and S. Greenspan (Eds.). Applied Speech Technology (pp. 583-592). Boca Raton, Florida: CRC Press.
Olson, R.K., Wise, B.W., & Forsberg, H. (1995). The 5-7 shift in reading and phoneme awareness. In A. Sameroff and M. Haith (Eds.), Reason and responsibility: The passage through childhood. Chicago: University of Chicago Press.
Olson, R.K., Wise, B.W., Johnson, M.C., & Ring, J. (1997). The etiology and remediation of phonologically based word recognition and spelling disabilities: Are phonological deficits the "hole" story? In B. Blachman (Ed.), Foundations of reading acquisition, (pp 305-326). Mahwah, NJ: Lawrence Erlbaum Associates, Inc.
Wise, B.W., Olson, R.K., & Ring, J. (1997). Teaching phonological awareness with and without the computer. In C. Hulme & M. Snowling (Eds.), Dyslexia: Biological bases, identification, & intervention (pp. 254-273). London: Whurr Publishing.
DeFries, J.C., Alarcon, M., & Olson, R.K. (1997). Genetics and dyslexia: Developmental differences in the etiologies of reading and spelling deficits. in C. Hulme & M. Snowling (Eds.), Dyslexia: Biological bases, identification, & intervention, pp. 20-37. London: Whurr Publishing.
Wise, B.W., & Olson, R.K. (1998). Studies of computer-aided remediation for reading disabilities. In C. Hulme and R. M. Joshi (Eds.), Reading and spelling: Development and disorders (pp. 473-488). Mahwah, New Jersey: Lawrence Erlbaum Associates.
Wise, B.W., Olson, R.K., Ring, J., & Johnson, M. (1998). Interactive computer support for improving phonological skills. In J. Metsala & L. Ehri (Eds.), Word recognition and beginning literacy (pp. 189-208). Mahwah, N.J.: Lawrence Erlbaum Associates, Inc.
Olson, R.K. (1999). Research on reading disabilities in the Colorado Learning Disabilities Research Center. In I. Lundberg, F.E. Tonnessen, & I. Austad (Eds.), Dyslexia: Advances in Theory and Practice (pp. 141-150). Dordrecht, The Netherlands: Kluwer.
Olson, R.K. (1999). Computer-based remediation for reading disabilities. In T. Reinelt & G. Gerber (Eds.), Trends in Dyslexia (pp. 69-124). Schriftenreihe Band 4 der Arbeitsgruppe fur Sonder- und Heilpedagogik des Institutes fur Erziehungswissenschaften und der Klinik fur Neuropsychiatrie des Kindes- und jugendalters, Universitet Wien.
Olson, R.K., Datta, H., Gayan, J., & DeFries, J.C. (1999). A behavioral-genetic analysis of reading disabilities and component processes. In R.M. Klein & P.A. McMullen (Eds.), Converging methods for understanding reading and dyslexia (pp. 133-153). Cambridge Mass.: MIT Press.
Olson, R.K. (1999). Genes, environment, and learning disabilities. In R. S. Sternberg and L. Spear-Swerling (Eds.), Perspectives on learning disabilities (pp. 3-21). Westview/Harper Collins.
Olson, R.K., & Gayan, J. (2001). Brains, Genes, and Environment in Reading Development. In S. Newman & D. Dickinson (Eds.). Handbook of early literacy development (pp. 81-96). New York: Guilford Publications, Inc.
Lyon, G.R., Fletcher, J.M., Shaywitz, S.E., Shaywitz, B.A., Torgesen, J.K., Wood, F.B., Schulte, A., & Olson, R.K. (2001). Rethinking learning disabilities. In C.E. Finn, A.J. Rotherham, & C.R. Hokanson Jr. (Eds.), Rethinking special education for a new century (pp. 259-287). Progressive Policy Institute and the Thomas B. Fordham Foundation.
Compton, D.L., Davis, C.J., DeFries, J.C., Gayan, J., & Olson, R.K. (2001). Genetic and environmental influences on reading and RAN: An overview of results from the Colorado Twin Study. In M. Wolf (Ed.), Conference proceedings of the Dyslexia Research Foundation Conference in Extraordinary Brain Series: Time, fluency, and developmental dyslexia (pp. 277-303). Baltimore MD: York Press.
Olson, R.K. (2002). Phoneme awareness and reading, from the old to the new millenium. In E. Hjelmquist and C. von Euler (Eds.), Dyslexia and literacy: A tribute to Ingvar Lundberg (pp. 100-116). London: Whurr Publishers.
Fletcher, J.M., Lyon, R., Barnes, M., Stuebing, K.K., Francis, D.J., Olson, R.K., Shaywitz, S.E., & Shaywitz, B.A. (2002). Classification of learning disabilities: An evidence based evaluation. In R. Bradley, L. Danielson, and D.P. Hallahan (Eds.), Identification of learning disabilities - research to practice (pp. 185-250). Mahwah, NJ: Erlbaum.
Willcutt, E.G., DeFries, J.C., Pennington, B.F., Smith, S.D., Cardon, L.R., & Olson, R.K. (2003). Genetic etiology of comorbid reading difficulties and ADHD. In R. Plomin, J.C. DeFries, I.W. Craig, & P. McGuffin (Eds.), Behavioral Genetics in the Postgenomic Era (227-246). Washington D.C.: American Psychological Association.
Olson, R.K., & Byrne, B. (2004). Genetic and environmental influences on reading and language ability and disability. In H. Catts, & A. Kamhi (Eds.), The connections between language and reading disabilities (pp. 173-200). Mahwah, NJ: Laurence Earlbaum Associates.
Olson, R.K. (2004). Genetic and environmental causes of reading disabilities: Results from the Colorado Learning Disabilities Research Center. In M. Turner & J. Rack (Eds.), The Study of Dyslexia (pp. 23-33). London: Kluwer Scademic/Plenum Publishers.
Olson, R. K., & Byrne, B. (2005). Genetic and environmental influences on reading and language ability and disability. In H. Catts, & A. Kamhi (Eds.), The connections between language and reading disabilities (pp. 173-200). Mahwah, NJ: Laurence Erlbaum Associates.
Pennington, B.F., & Olson, R.K. (2005). Genetics of dyslexia. In M. Snowling & C. Hulme, (Eds.), The science of reading: A handbook (pp. 453-472). Oxford: Blackwell.
Olson, R.K. (2006). Genetic?? and environmental influences on the development of reading and related cognitive skills. In R.M. Joshi & P.G. Aaron (Eds.), Handbook of Orthography and Literacy (pp. 693-708). Mahwah, NJ: Laurence Erlbaum Associates.
Olson, R.K. & Wise, B. (2006). Computer-based remediation for reading and related phonological disabilities. In M. McKenna, L. Labbo, R. Kieffer, & D. Reinking (Eds.), Handbook of literacy and technology, Vol. 2. (pp. 57-74). Mahwah, N.J.: Lawrence Erlbaum.
Olson, R.K. (2007). Genetic and environmental influences on word reading skills In E. Grigorenko & A. Naples (Eds.), Single Word Reading: Behavioral and Biological Approaches.(pp. 233-253).. Mahwah, N.J.: Laurence Erlbaum Associates.
Keenan, J.M., Olson, R.K., & Betjemann, R.S. (2009). Assessment and etiology of individual differences in reading comprehension. In R. Wagner, C. Schatschneider, & C. Phythian-Sence (Eds.), Beyond decoding: the behavioral and biological foundations of reading comprehension. New York: Guilford.
Olson, R.K., Byrne, B., & Samuelsson, S. (2009). Reconciling strong genetic and strong environmental influences on individual differences and deficits in reading ability. In K. Pugh & P. McCardle (Eds.), How Children Learn To Read: Current Issues and New Directions in the Integration of Cognition, Neurobiology and Genetics of Reading and Dyslexia Research and Practice. (pp. 215-233). Lawrence Earlbaum/Taylor-Francis.
Byrne, B., Khlentzos, D., Olson, R. K., & Samuelsson, S. (in press). Evolutionary and genetic perspectives on educational achievement. In K. Littleton, C. Wood, & J. K. Staarman (Eds.), Handbook of educational psychology. Emerald Press.
(52 chapters)
II. Talks
A. Presented at national professional organizations
Olson, R. K. Pictorial depth sensitivity in young children. Presented at the meetings of the Psychonomic Society, November 1975.
Olson R. K.,& Boswell, S. L. Children's difficulty with right left diagonal discrimination is based on orientation of a retinally independent Cartesian reference system. Presented at the meetings of the Psychonomic Society, November 1975.
Olson, R. K., & Fieman, R. Eye scan paths and the phenomenal organization of ambiguous figures. Presented at the meetings of the Psychonomic Society, November 1975.
Olson, R. K. & Hanson, V. Interference effects in tone memory. Presented at the meetings of the Psychonomic Society, November 1975.
Boswell, S. L., & Olson, R. K. Young children's response to pattern symmetry. Presented at the meetings of the Psychonomic Society, November 1975.
Olson, R. K., & Holloway, D. Serial and parallel processing in multielement displays. Presented at the meetings of the Psychonomic Society, November 12, 1976.
Olson, R. K. Eye movements and bistable figures. Presented at the Second Annual Interdisciplinary Conference, Jackson Hole, Wyoming, January 15, 1977.
Kliegl, R., & Olson, R. K. Reduction and Calibration of eye monitor data. Presented at the National Conference on the use of on line computers in psychology, November 12, 1980.
Olson, R. K. Individual differences in normal and poor reading. Presented at the Sixth Annual Interdisciplinary Conference, Park City;, Utah, January 20, 1981.
Davidson, B. J., Kliegl, R., & Olson, R. K. Individual differences in reading disorders. Paper presented at the Meeting of the Midwestern Psychological Association, Detroit, April 1981.
Olson, R. K., Davidson, B. J., and Kliegl, R. Development of Memory and Reading Ability. Paper presented at the meetings of the Psychonomic Society, Minneapolis, November, 1982.
Davidson, B.J., Olson, R.K., and Kliegl, R. Orthographic and phonological coding skills in developmental reading disability. Paper presented at the meetings of the Psychonomic Society, Minneapolis, November 11, 1982.
Kliegl, R., Olson, R.K., and Davidson, B.J. Reading style as an epiphenomenon of cognitive skills. Paper presented at the meetings of the Psychonomic Society, Minneapolis, Movember 11, 1982.
Olson, R. K. The relation of language skills to reading disability. Paper presented at the 18th Mid America Linguistics Conference, Oct. 15, 1983.
Olson, R. K. Cognitive profiles in dyslexia. Paper presented at the Annual Interdisiplinary conference, Jackson Hole, Jan. 14, 1985.
Olson, R. K., Davidson, B. J., and Kliegl, R. Disabled and normal readers' process profiles. Paper presented at SRCD, Toronto, Apr. 25, 1985.
Olson, R. K. Computer Assisted Reading. Paper presented to the Orton Dyslexia Society, Denver, Sept. 21, 1985.
Olson, R.K., Foltz, G. & Wise, B. Reading Instruction and Remediation with the Aid of Computer Speech. Paper presented at the meetings of the Society for Computers in Psychology, Boston, November 21, 1985.
Olson, R.K. Genetic contributions to individual differences among disabled readers. Paper presented at the meetings of the International Neuropsychological Society, Denver, February 6, 1986.
Olson, R.K., Foltz, G., & Wise, B. Reading Instruction and Remediation Using Voice Synthesis in Computer Interaction. Paper presented at the meetings of the Human Factors Society, Dayton, Ohio, October 3, 1986.
Olson, R.K., & Wise, B. Heritability of Phonetic and Orthographic Word Decoding Skills in Dyslexia. Paper presented at the meetings of the Psychonomics Society, New Orleans, November 14, 1986.
Olson, R.K. The etiology and remediation of dyslexia. Paper presented at the Annual Interdisciplinary Conference, Jackson, Wyoming, January 5, 1987.
Olson, R.K., & Wise, B. Heritability of Phonological Coding and Phonological Awareness in Dyslexia. Paper presented at the meetings of Orton Dyslexia Society, San Francisco, November 4 7, 1987.
Olson, R.K., & Wise, B. Computer based testing of component reading and language skills. Paper presented at the meetings of the National Reading Conference, St. Petersburg, December 1 5, 1987.
Wise, B., & Olson, R.K. Computer based reading instruction with segmented orthographic and speech feedback. Paper presented at the meetings of the National Reading Conference, St. Petersburg, December 1 5, 1987.
Olson, R.K. Sources of Heritable Variance in Adult Dyslexia: A Twin and Family Study. Paper presented at the meetings of the International Neuropsychological Society, New Orleans, January 27 30, 1988.
Olson, R.K., Wise, B., Conners, F., & Rack, J. Specific deficits in component reading and language skills: Genetic and environmental influences. Paper presented at the meetings of the American Educational Research Association, New Orleans, April 5 9, 1988.
Olson, R.K., Wise, B., Conners, F., & Rack, J. Phonological and orthographic coding in reading disability: Etiology and remediation. Invited paper presented at the meetings of the Midwestern Psychological Society, Chicago, April 28 30, 1988.
Wise, B., & Olson, R.K., Research on Intelligibility and Use with Disabled Readers. Paper presented at the National Educational Computing Conference, Dallas, June 15 17, 1988.
Olson, R.K. & Wise, B. Uses of the Computer for the Teaching of Phonics. Paper presented to the Colorado Symposium on Learning Disabilities, Denver, Sept. 24, 1988.
Wise, B., Olson, R., Anstett, M., Andrews, A., Terjak, M., Schneider, V. & Kostuch, J. Implementing a long term computerized remedial reading program with synthetic speech feedback: Hardware, software, and real world issues. Paper presented at the annual meeting of the Society for Computers in Psychology, Chicago, November 8, 1988.
Olson, R.K., & Wise, B. Computer based reading remediation with segmented speech and orthography. Paper presented at the annual meeting of the Psychonomic Society, Chicago, November 10, 1988.
Olson, R.K. Computer based Remediation. Paper presented to the Fourteenth Annual Interdisciplinary Conference, Jackson, Wyoming, January 18, 1989.
Olson, R.K. Dyslexia exists for phonological coding. Paper presented at the meeting of the Americal Educational Research Association, San Francisco, March 29, 1989.
Olson, R.K. Genetic and environmental influences on deficits in word recognition and component coding skills. Paper presented at the meeting of the Society For Research in Child Development, Kansas City, April 30, 1989.
Olson, R.K. Genetic influences on disabled and normal readers' eye movements. Paper presented at the Annual Interdisiplinary Conference, Jackson, January 10, 1990.
Olson, R.K., & Wise, B.W. Segmentation and Computer-Based Remediation for Disabled Readers. Paper presented at the American Educational Research Association, Boston, April 20, 1990.
Olson, R.K., & Rack, J. Genetic and Environmental Influences on Component Reading and Language Skills. Paper presented at the XIV International Rodin Remediation Scientific Conference, Boulder, Sept. 19, 1990.
Wise, B.W., & Olson, R.K. Accurate Computer-Speech Feedback Improves Word Recognition and Decoding Among Disabled Readers. Poster presented at the XIV International Rodin Remediation Scientific Conference, Boulder, Sept. 20-21, 1990.
Rack, J., Forsberg, H., & Olson, R.K. Profiles of Component Reading Skills in Dyslexic and Reading-Level-Matched Normal Readers. Poster presented at the XIV International Rodin Remediation Scientific Conference, Boulder, Sept. 20-21, 1990.
Olson, R.K. Genetic and environmental influences on reading disability. Paper presented at the Third Annual Winter Text Conference, Jackson, Wyoming, January 20, 1992.
Olson, R.K., & Forsberg, H. Genetic and shared-environment influences on deficits in word recognition and component coding skills. Paper presented at the Behavior Genetics Association meeting, Boulder, CO, July 4, 1992.
Forsberg, H., & Olson, R.K. Heritable deficits in phonological awareness, rapid naming, and short-term memory skills are linked to disabled readers' heritable deficits in phonological decoding. Paper presented at the Behavior Genetics Association Meeting, Boulder, CO, July 4, 1992.
Olson, R.K., Shared-environment and genetic influences in deficits in phonological and orthographic processes. Paper presented to the Society for Research in Child Development. New Orleans, March 25, 1993.
Olson, R.K., & Forsberg, H. Disabled and Normal Readers Eye Mopvements: A Reading-Level-Match Comparison. Paper presented to the Society for Research in Child Development. New Orleans, March 28, 1993.
Wise, B.W., Olson, R.K., & Lindamood, P. Training Phonemic Awareness: Evidence Relating to Why and How It Could Be Done. Paper presented to the American Educational Research Association. Atlanta, April 12, 1993.
Olson, R.K. Research Perspectives. Paper presented to the University of Colorado at Boulder Second Conference on Learning Disabilities at the College Level: Assessment and Accommodation. Boulder, June 10, 1993.
Olson, R.K. Genetic and environmental influences on component reading and language skills - revised. Presentation to the Institute for Behavioral Genetics, Boulder CO, December 10, 1993.
Wise, B., & Olson, R.K. Computer-assisted instruction in reading and phonemic awareness. Paper presented to the American Educational Research Association, New Orleans, April 6, 1994
Gayan, J., Forsberg, H., & Olson, R. Genetic influences on subtypes of dyslexia. Paper presented at the meeting of the Behavior Genetics Association, Barcelona, Spain, July 9, 1994.
Johnson, M.C., Wise, B.W., & Olson, R.K. Text comprehension in reading disabled 2nd thru 5th graders. Poster presented at the meetings of the Psychonomic Society, St. Louis, MO, November 10, 1994.
Hyona, J., & Olson, R.K. Word frequency and word length effects among dyslexic and normal readers. Paper presented at the Eighth European Conference on Eye Movements, Derby (UK), September 6-9, 1995.
Olson, R.K. Genetic and environmental factors in reading disabilities. Paper presented at the Seventh Annual Winter Text Conference, Teton Village, Wyoming, January 23, 1996.
Olson, R.K., & Gayan, J. Independent and shared genetic influences on orthographic and phonological skills. Paper presented at meeting of the Psychonomic Society, Chicago, Nov. 3, 1996.
Olson, R.K., & Wise, B.W. Speech feedback and speech recognition in reading instruction. Presentation to the Language Processing Group meeting, Boulder, Nov. 20, 1996.
Ring, J., Wise, B., & Olson, R.K. The long-term effects of computer-based remedial reading instruction. Paper presented at the meeting of the Society for the Scientific Study of Reading, Chicago, March 22, 1997.
Wise, B. W., & Olson, R. K. Two years of phonological awareness and comprehension instruction on talking computers. Paper presented at the meeting of the Society for the Scientific Study of Reading, Chicago, March 22, 1997.
Johnson, M. C., Wise, B., & Olson, R. K. Effects of training in phonological awareness and reciprocal teaching on the comprehension on reading disabled 2nd through 5th graders. Paper presented at the meeting of the Society for the Scientific Study of Reading, Chicago, March 23, 1997.
Gayan, J., Datta, H. E., & Olson, R. K. Genetic influences on reading disability subtypes. Paper presented at the meeting of the Society for the Scientific Study of Reading, Chicago, March 23, 1997.
Ring, J., Wise, B.W., & Olson, R.K. An investigation of the double deficit hypothesis in a computer-based remediation program. Presented at the Society for the Scientific Study of Reading, San Diego, April 17, 1998.
Wise, B.W., Ring, J., & Olson, R.K. A comparison of phonological awareness training methods. Presented at the Society for the Scientific Study of Reading, San Diego, April 18, 1998.
Castles, A., Olson, R.K., Gayan, J., & Datta, H.E. Genetic and environmental influences on subtypes of developmental dyslexia. Presented at the Society for the Scientific Study of Reading, San Diego, April 18, 1998.
Olson, R.K., Hulslander, J., & Castles, A. Individual differences among children with reading disability. Presented at the Society for the Scientific Study of Reading, San Diego, April 19, 1998.
Wadsworth, S.J., Olson, R.K., Pennington, B.F., & DeFries, J.C.. Differential genetic etiology of reading disability as a function of IQ. Poster presented at the meeting of the Behavioral Genetics Association, Stockholm, June 9, 1998.
Gayan, J., Smith, S.D., Cherny, S.S., Cardon, L.R., Fulker, D.W., Kimberling, W.J., Olson, R.K., Pennington, B.F., & DeFries, J.C.. Quantitative trait locus for specific language and reading deficits on chromosome 6p. Paper presented at the meeting of the Behavioral Genetics Association, Stockholm, June 9, 1998.
Olson, R.K. Discussant of symposium: From prereaders to readers: The role of phonological processing skills in at-risk and typically developing children. Presented at the Society for Research in Child Development, Albuquerque NM, April 15, 1999.
Gayan, J., & Olson, R.K.. Behavioral genetic analysis of component reading skills. Poster presented at the Society for the Scientific Study of Reading, Montreal, April 23, 1999.
Hulslander, J., & Olson, R.K. Nonword repetition: Phenotypic and genetic relationships in reading disabled children. Poster presented at the Society for the Scientific Study of Reading, Montreal, April 23, 1999.
Datta, H., & Olson, R.K. Relations between visual-temporal processing and reading ability. Poster presented at the Society for the Scientific Study of Reading, Montreal, April 23, 1999.
Olson, R.K., Datta, H., Gayan, J., Hulslander, J., Ring, J., & Wise, B.W. Relations between reading disabilities and other cognitive skills: Do they matter for etiology and remediation? Presentation to the Society for the Scientific Study of Reading, Montreal, April 24, 1999.
Ring, J., & Olson, R.K. Word recognition, spelling, and orthographic representation: A replication experiment. Poster presented to the Society for the Scientific Study of Reading, Montreal, April 24, 1999.
Wise, B.W., Ring, J., & Olson, R.K. Differential treatment effects by grade and reading level from computer-assisted phonological reading training. Presentation to the Society for the Scientific Study of Reading, Montreal, April 24, 1999.
Wise, B.W., Ring, J., & Olson, R.K. Is there a proven, best way to train phonological awareness? Paper presented at the International Dyslexia Association, November 5, 1999.
Davis, C.J., Knopik, V.S., Wadsworth, S.J., Olson, R.K., & DeFries, J.C. Differential genetic etiology of reading disability as a function of rapid automatized naming and phonological decoding. Poster presented at the Behavior Genetics Association meeting, Burlington VT, June 29, 2000.
Smith, S.D., Willcutt, E., Pennington, B.F., Deffenbacher, K., Hoover, D., Baker, M., Moyzis, R., Smollen, A., Olson, R.K., & DeFries, J.C.. Investigations of the comorbidity of dyslexia and ADHD through linkage analyses. Presentation at the meeting of the British Dyslexia Association, York, UK, April 18, 2001.
Compton, D., and Olson, R.K. Are RAN and phonological awareness deficits additive in reading disabled children? Presentation at the meeting of the British Dyslexia Association, York, UK, April 20, 2001.
Kaplan, D.E., Won, T.W., Ahn, J., Pauls, D., Olson, R., DeFries, J.C., Gayan, J., Wood, F., Pennington, B., Page, G., Smith, S.D., & Gruen, J.R. Transmission disequilibrium tests (TDT) of reading disability on 6p21.3-22. Paper presented at the meeting of the Society for Pediatric Research, May, 2001.
Javier Gayan (javier.gayan@colorado.edu; University of Colorado at Boulder) and Richard K. Olson. Genetic and environmental influences on group deficits in reading disability. Poster presented at the meeting of the Society for the Scientific Study of Reading, Boulder, CO, June 2, 2001.
Rebecca Cross (Rebecca.Cross@Colorado.edu; University of Colorado) and Richard K. Olson. Processing speed and the genetic etiology of reading disability. Poster presented at the meeting of the Society for the Scientific Study of Reading, Boulder, CO, June 2, 2001.
Chayna J. Davis (chayna.davis@colorado.edu; University of Colorado-Boulder), Valerie S. Knopik, Sally J. Wadsworth, Richard K. Olson, and John C. DeFries. Genetic and environmental influences on rapid naming and reading ability: A twin study. Poster presented at the meeting of the Society for the Scientific Study of Reading, Boulder, CO, June 2, 2001.
Deffenbacher, K.E., Hoover, D.M., Kenyon, J.B., Olson, R.K., DeFries, J.C., & Smithy, S.D. Mutation screening of he SynGAP gene in patients with dyslexia. Paper presented to the meeting of the American Society for Human Genetics, 2001.
Cross, R.J., Gayan, J., DeFries, J.C., and Olson, R.K. Differential genetic etiology of reading disability as a function of processing speed. Poster presented at the meeting of the Behavior Genetics Association, Peterhouse College, Cambridge, England, July 10, 2001.
Davis, C.J., Gayan, J., Knopic, V.S., Smith, S.D., Cardon, L.R., Pennington, B.F., Olson, R.K., DeFries, J.C. Reading difficulties and rapid naming: Bivariate twin and genetic linkage analyses. Poster presented at the meeting of the Behavior Genetics Association, Peterhouse College, Cambridge, England, July 10, 2001.
Fletcher, J.M., Lyon, G.R., Barnes, M., Stuebing, K.K., Francis, D.J., Olson, R.K., & Shaywitz, S.E. Classification of learning disabilities: An evidence-based evaluation. Paper presented at the Learning Disabilities Summit, Washington D.C., August 26, 2001.
Wadsworth, S.J., Willcutt, E.G., DeFries, J.C., Olson, R.K., Pennington, B.F., Keenan, J.M., Smith, S.D., & Byrne, B. Colorado Learning Disabilities Research Center. Poster presented at the Coleman Institute Workshop, Aspen, Colorado, October 14, 2001.
Olson, R.K., Davis, C., DeFries, J.C., & Byrne, B. Reading and RAN in school-age and preschool twins: Genetic and environmental influences. Presentation at a symposium on "Naming speed: Investigations on its development, cognitive components, and task characteristics. Paper presented at the Tenth Annual Pacific Coast Research Conference, La Jolla, California, February 9, 2002.
Olson, R.K., Byrne, B., & Samuelsson, S. (2002). Preliminary results from an international longitudinal twin study of genetic and environmental influences on early reading development. Paper presented at the meeting of the Society for the Scientific Study of Reading, Chicago, June 28, 2002.
Cross, R.J., Davis, C.J., Wadsworth, S.J., DeFries, J.C., & Olson, R.K. (2002). Testing the evidence for a differential genetic etiology of reading disability subtypes. Poster presented at the meeting of the Society for the Scientific Study of Reading, Chicago, June 28, 2002.
Hulslander, J., Willcutt, E., Talcott, J., Witton, C., Pennington, B., & Olson, R.K. (2002). Reading ability, ADHD, and performance on visual and auditory psychophysical tasks. Poster presented at the meeting of the Society for the Scientific Study of Reading, Chicago, June 29, 2002.
Coleman, C., Gregg, N., Stennett, R., Hoy, C., Davis, M., Olson, R.K., Wadsworth, S.J., & DeFries, J.C. (2002). The Colorado Perceptual Speed Task as a measure of orthographic processing. Paper presented at the meeting of the Society for the Scientific Study of Reading, Chicago, June 29, 2002.
Cross, R.J., Davis, C.J., Rhee, S., Wadsworth, S.J., DeFries, J.C. & Olson, R.K. (2002). The effect of subtype classification methods on estimates of differential heritability. Poster presented at the Annual Meeting of the Behavior Genetics Association, Keystone, CO, July 5, 2002.
Davis, C.J., Fisher, S.E., Franks, C., MacPhie, I.L., Gayan, J., Smith, S.D., Cardon, L.R., Pennington, B.F., Olson, R.K., Monaco, A.P. & DeFries, J.C. (2002). Bivariate linkage analyses for reading difficulties and rapid naming. Paper presented at the Annual Meeting of the Behavior Genetics Association, Keystone, CO, July 5, 2002.
Fisher, S.E., Franks, C., Marlow, A.F., MacPhie, I.L., Newbury, D.F., Cardon, L.R., Ishikawa-Brush, Y., Richardson, A.J., Talcott, J.B., Gayan, J., Olson, R.K., Pennington, B.F., Smith, S.D., DeFries, J.C., Stein, J.F., & Monaco, A.P. (2002). Quantitative trait analysis of the entire genome in large samples of dyslexia sib-pairs from the UK and US. Paper presented at the Annual Meeting of the Behavior Genetics Association, Keystone, CO, July 5, 2002.
Gayan, J.D., Kaplan, D.E., Ahn, J., Won, T.W., Pauls, D., Olson, R.K., DeFries, J.C., Wood, F., Pennington, B.F., Page, G.P., Smith, S.D., & Gruen, J.R. (2002). Fine mapping linkage and association analyses of reading disability in the 6p21.3-22 region. Poster presented at the Annual Meeting of the Behavior Genetics Association, Keystone, CO, July 5, 2002.
Byrne, B., Olson, R. K., & Samuelsson, S. Preliminary report of a longitudinal twin study of early reading, language and attention. Seventh Australian Twin Registry Conference, Hobart, Australia, December, 2002.
Jacqui Hulslander (jacqui@psych.colorado.edu; University of Colorado, Boulder), and Richard Olson. The identification and utilization of nonword repetition items which maximally discriminate good and poor readers. Presented at the meeting of the Society for the Scientific Study of Reading, Boulder Colorado, June 14, 2003.
Brian Byrne (bbyrne@metz.une.edu.au; University of New England), Stefan Samuelsson, Sally Wadsworth, and Richard Olson. Longitudinal twin study of reading and language: Preschool and kindergarten data. Presented at the meeting of the Society for the Scientific Study of Reading, Boulder Colorado, June 14, 2003.
Rebecca S. Betjemann (rbetjema@nova.psy.du.edu; University of Denver), Janice M. Keenan, and Richard K. Olson. Listening comprehension in children with reading disability. Presented at the meeting of the Society for the Scientific Study of Reading, Boulder Colorado, June 14, 2003.
Olson, R. (2003) SSSR Presidential Address. Presented at the meeting of the Society for the Scientific Study of Reading, Boulder Colorado, June 14, 2003.
Javier Gayán1, Erik G. Willcutt2, Simon E. Fisher1, Clyde Francks1, Lon R. Cardon1, Richard K. Olson2, Bruce F. Pennington3, Shelley D. Smith4, Anthony P. Monaco1, and John C. DeFries2. Bivariate Linkage Scan for Reading Disability and Attention-Deficit/Hyperactivity Disorder. Presented at the meeting of the Behavior Genetics Association, June, 2004.
Shelley D. Smith1, Karen E. Deffenbacher1, R. Boada2, N. Raitano2, R. Tunick2, Richard K. Olson3, Bruce F. Pennington2, John C. DeFries. Linkage, association and candidate-gene analyses for reading disability and speech sound disorder4. Presented at the meeting of the Behavior Genetics Association, June, 2004.
Erik G. Willcutt1,2, Bruce F. Pennington3, Richard K. Olson1,2, and John C. DeFries1. Understanding comorbidity: a twin study of reading disability and attention-deficit/hyperactivity disorder. Presented at the meeting of the Behavior Genetics Association, June, 2004.
Clyde Francks1, Silvia Paracchini1, Shelley D. Smith2, Alex J. Richardson3, Tom S. Scerri1, Lon R. Cardon1, Angela J. Marlow1, I. Laurence MacPhie1, Janet Walter3, Bruce F. Pennington4, Simon E. Fisher1, Richard K. Olson5, John C. DeFries5, John F. Stein3, and Anthony P. Monaco. Association mapping of the 6p23-21.3 QTL for reading disability. Presented at the meeting of the Behavior Genetics Association, June, 2004.
Stefan Samuelsson (Stefan.samuelsson@slf.his.no; Stavanger University College), Brian Byrne, Richard K. Olson. Genetic and environmental influences on reading related cognitive skills in preschool children: A comparison between three twin samples. Presented at the meeting of the Society for the Scientific Study of Reading, Amsterdam, June 2004.
Richard Olson (rolson@psych.colorado.edu; University of Colorado), Brian Byrne, Stefan Samuelsson, Robin Corley, John DeFries, Sally Wadsworth, Erik Willcutt, Peter Quain. Longitudinal phenotypic and genetic analyses of pre-reading and early reading skills from preschool through second grade. Presented at the meeting of the Society for the Scientific Study of Reading, Amsterdam, June 2004.
Jacqueline Hulslander (jacqui@psych.colorado.edu; University of Colorado), Richard Olson. The influence of orthographic skills on phoneme awareness task performance. Presented at the meeting of the Society for the Scientific Study of Reading, Amsterdam, June 2004.
Nicole Davis and Richard Olson. Preschoolers' phonological awareness: An investigation of the nonword repetition task. Presented at the meeting of the American Spech-Language-Hearing Association, San Diego, November 19, 2005.
Richard Olson and Janice Keenan, A behavior-genetic analysis of reading comprehension's relation to listening comprehension, IQ, and word reading. Paper presented at the meeting of the Society for the Scientific Study of Reading, Toronto, June 24, 2005.
Brian Byrne (U. of New England) Richard Olson, Sally Wadsworth, Robin Corley, Stefan Samuelsson, Peter Quain - Longitudinal twin study of literacy and language: The first three years. Paper presented at the meeting of the Society for the Scientific Study of Reading, Toronto, June 24, 2005.
Jacqueline Hulslander (U. of Colorado, Boulder) Richard Olson, Chelsea Trinka, Sophia Zavrou - A reading-level match comparison of fluency and comprehension for continuous text. Paper presented at the meeting of the Society for the Scientific Study of Reading, Toronto, June 24, 2005.
Stefan Samuelsson (Linköping U. ) Richard K Olson, Brian Byrne - Genetic and environmental influences on pre-reading skills at 5 years of age- A comparison between United States, Australia, and Scandinavia. Paper presented at the meeting of the Society for the Scientific Study of Reading, Toronto, June 24, 2005.
Peterson, R.L., Phinney, E., Olson, R.K., & Pennington, B.F. Cognitive overlap of speech sound disorder and reading disability. Poster presented at the 34th annual meeting of the International Neuropsychological Society, Boston, MA, February 2, 2006.
Betjemann, R.S., Willcutt, E.G., Olson, R.K., Keenan, J.M., DeFries, J.C.,
& Wadsworth, S.J. A preliminary investigation of the genetic etiology of reading comprehension over time. Presented at the meeting of the Behavior Genetics Association, June, 2006.
Friend, A., DeFries, J.C.,Wadsworth, S.J., & Olson, R.K. Developmental differences in the genetic etiology of reading and spelling disabilities. Presented at the meeting of the Behavior Genetics Association, June, 2006.
Roth, L.S., Keenan, J.M., & Olson, R.K. In-context and out-of-context fluency as predictors of reading comprehension. Poster presented at the meeting of the Society for the Scientific Study of Reading, Vancouver, July 6, 2006.
Hulslander, J., Wadsworth, S., & Olson, R.K. Longitudinal stability of reading process profiles. Poster presented at the meeting of the Society for the Scientific Study of Reading, Vancouver, July 6, 2006.
Samuelsson, S., Olson, R.K., Byrne, B., Willcutt, E., Wadsworth, S., & DeFries, J.C. Genetic and environmental influences on early literacy development in Australia, Scandinavia, and the United States. Paper presented at the meeting of the Society for the Scientific Study of Reading, Vancouver, July 6, 2006.
Olson, R.K., Lefly, D., Byrne, B., Samuelsson, S., Corley, R., Hulslander, J., Wadsworth, S., Willcutt, E., & DeFries, J.C. School and genetic influences on early reading and language skills. Paper presented at the meeting of the Society for the Scientific Study of Reading, Vancouver, July 6, 2006.
Byrne, B., Olson, R.K., Samuelsson, S., Hulslander, J., Wadsworth, S., Willcutt, E., & DeFries, J.C. Learning-based and "static" measures in early literacy: A behavior-genetic analysis. Paper presented at the meeting of the Society for the Scientific Study of Reading, Vancouver, July 6, 2006.
Willcutt, E., Betjemann, R.S., Wadsworth, S.J., Samuelsson, S., Corley, R., DeFries, J.C., Byrne, B., & Olson, R.K. Preschool twin study of the relation between attention-deficit/hyperactivity disorder and prereading skills. Paper presented at the meeting of the Society for the Scientific Study of Reading, Vancouver, July 6, 2006.
Olson, R.K., & Wise, B.W. The Colorado Learning Disabilities Research Center.
Paper presented at the Pacific Coast Research Conference, Coronado Bay, California, February 1, 2007.
Peterson, R.L., Pennington, B.F., & Olson, R.K. Validity of phonological and surface subtypes of developmental dyslexia. Poster presented at the 2007 bienial meeting of the Society for Research in Child Development, Boston, MA, April 1, 2007.
Olson, R.K.Colorado Learning Disabilities Research Center. Presentation at the meeting of the learning disabilities research centers, Tallahassee FL, May 21, 2007
Friend, A., DeFries, J.C., & Olson, R.K. Parental education mediates heritability in a sample of twins selected for reading disability. Presentation at the meeting of the Behavior Genetics Association, Amsterdam, June 2007.
Friend, A., & Olson, R.K. Phonological spelling and reading deficits in children with spelling disabilities. Poster presented at the meeting of the Society for the Scientific Study of Reading, Prague, July 14, 2007.
Betjemann, R., Keenan, J.M., DeFries, J.C., Wadsworth, S.J., Willcutt, E.G., & Olson, R.K. Processing speed and the simple view of reading: A genetic analysis. Paper presented at the meeting of the Society for the Scientific Study of Reading, Prague, July 13, 2007.
Olson, R.K., Friend, A., Byrne, B., Corley, R., DeFries, J.C., Hulslander, J., Samuelsson, S., & Wadsworth, S. Gene by environment interactions in the etiology of group deficits and individual differences in reading development. Paper presented at the meeting of the Society for the Scientific Study of Reading, Prague, July 13, 2007.
Byrne, B., Olson, R.K., Hulslander, J., Samuelsson, S., Harlaar, N., & Coventry, W. Exploring environmental influences on literacy development in a genetically-sensitive research design: The case of teacher effects. Paper presented at the meeting of the Society for the Scientific Study of Reading, Prague, July 13, 2007.
Samuelsson, S., Byrne, B., Hulslander, J., & Olson, R.K. A new curriculum for reading and spelling: Changes in estimated genetic and environmental influences on early literacy development in Norway. Paper presented at the meeting of the Society for the Scientific Study of Reading, Prague, July 13, 2007.
Olson, R.K. (2008, Feb. 7). Environmental and genetic influences on learning disabilities and differences. Presentation at the 16th Annual Pacific Coast Research Conference, Coronado, California.
Olson, R.K., Pennington, B., Willcutt, E., DeFries, J.C. Genetic etiology of co-morbidity between reading disability and ADHD. Presentation at the meeting of the British Dyslexia Association, Harrogate England, March 30, 2008
Olson, R.K. (2008, June). Colorado Learning Disabilities Research Center. Presentation at the meeting of the NIH funded Learning Disabilities Research Centers, Boulder, Colorado.
Coventry, W.L., Byrne, B., Olson, R.K., Samuelsson, S., Corley, R., Wadsworth, S., & DeFries, J.C. (2008, June). Presentation at the meeting of the Behavior Genetics Association, Louisville Kentucky.
Friend, A., & Olson, R.K. (2008, July). Parental education predicts early reading development in preschool that is maintained through grade 2. Paper presented at the meeting of the Society for the Scientific Study of Reading, Ashcroft NC.
Betjemann, R.S., Willcutt, E.G., Olson, R.K., Wadsworth, S.J., Keenan, J.M., DeFries, J.C., & Pennington, B.F. (2008, July). Accounting for the cognitive overlap between reading and attention: A genetic investigation of processing speed. Paper presented at the meeting of the Society for the Scientific Study of Reading, Ashcroft NC.
Byrne, B., Olson, R.K., Keenan, J., & Coventry, W. (2009, February 7). Reading comprehension @ grade 4: Data from a twin study. Presented at the meeting of the Pacific Coast Research Conference, Coronado CA.
Keenan, J., & Olson, R.K. (2009, February 7). Paper presented at the meeting of the Society for Research in Child Development, Denver, CO.
Rosenberg, J.L., Willcutt, E.G., Olson, R.K., McGrath, L.M., & Pennington, B.F. (2009, April 2). Opposite Gene by Environment Interactions in Reading Disability (RD) and Attention Deficit/Hyperactivity Disorder (ADHD). Paper presented at the meeting of the Society for Research in Child Development, Denver, CO.
Robin L. Peterson, Bruce Franklin Pennington, Stefan Samuelsson, Brian Byrne, Richard K. Olson. Evidence for Shared Genetic Influence on Deficits in Phonological Memory and Vocabulary at Age 5. Presented at the meeting of the Society for Research in Child Development, Denver CO, April 2, 2009
Angela Friend, Richard K. Olson. Parental Education Moderates Heritability Among Children Selected on High or Low Reading Performance. Presented at the meeting of the Society for Research in Child Development, Denver CO, April 2, 2009.
L. Cinnamon Bidwell, Erik G. Willcutt, Matthew B. McQueen, John C. Defries Phd, Shelley D. Smith, Richard K. Olson, Bruce Franklin Pennington. Association Between DRD4 and Quantitative Neuropsychological and Behavioral Phenotypes of Attention-Deficit Hyperactivity Disorder. Presented at the meeting of the Society for Research in Child Development, Denver CO, April 4, 2009.
Olson, R.K. (2009, May). Update on progress in the Colorado Learning Disabilities Research Center. Presented at the Learning Disabilities Research Consortium Meeting, Austin TX, May 11, 2009.
Olson, R.K., and Keenan, J.M. (2009, June). Genes and the transition from learning to read to reading to learn. Presented at the meeting of the Society for the Scientific Study of Reading, Boston, June 26, 2009.
Betjemann, R., Willcutt, E., Olson, R.K., Keenan, J., DeFries, J.C., Pennington, B., Petrill, S., & Hart, S. (2009, June). Etiology of the comorbidity between reading disability, math disability, and attention deficit/hyperactivity disorder. Presented at the meeting of the Society for the Scientific Study of Reading, Boston, June 25, 2009.
Christopher, M., Wise, B., & Olson, R.K. (2009, June). Helping struggling readers set goals to increase reading time, motivation, and ability. Presented at the meeting of the Society for the Scientific Study of Reading, Boston, June 25, 2009.
Willcutt, E., Schatschneider, C., Fletcher, J., Denkla, M., Wagner, R., & Olson, R.K. (2009, June). Facilitating collaboration for the next generation of studies of reading disability. Presented at the meeting of the Society for the Scientific Study of Reading, Boston, June 25, 2009.
B. Invited Colloquia
Olson, R. K. The development of pictorial depth perception. Invited presentation at the conference on Picture Perception, sponsored by the Learning Center, University of Minnesota, August 1975.
Olson, R. K. Perspective in picture perception: Development, adaptation and memory. Invited presentation to the Conference on Pictorial Perception, at the Center for Research in Human Learning, July 26 30, 1976.
Olson, R. K. Differential Diagnosis in reading disability. Invited presentation at the University of Oregon, Eugene, October 10, 1978.
Olson, R. K. Individual differences in reading behavior. Invited presentation at the University of Florida, Talahassee, February 23, 1979.
Olson, R. K., Davidson, B. J., & Kliegl, R. Phonological skill and word coding. Invited presentation at the University of Oregon, Eugene, March 1981.
Olson, R. K., Kliegl, R., and Davidson, B. J. Individual differences in reading processes and eye movements. Invited presentation at the Sloan Conference on Reading and Eye Movements at the University of Massachusetts, Amherst, June 1981.
Kliegl, R., Olson, R. K., and Davidson, B. J. Eye movements in reading: Perceptual and cognitive factors. Invited presentation at the Sloan Conference on Reading and Eye Movements at the University of Massachusetts, Amherst, June 1981.
Olson, R. K. Dyslexia. Invited presentation at Florida Atlantic University, March 3, 1984.
Olson, R. K. Dyslexic reading styles and cognitive profiles. Invited presentation to the National Institute of Child Health and Human Development Conference on Bio Behavioral Measures of Dyslexia, Bethesda, Sept. 11, 1984.
Kliegl, R., & Olson, R.K. Individual Differences in Disabled and Normal Readers' Eye Movements. Invited presentation at the meetings of the International Conference in Cognitive Approaches to Reading, Leicester, U.K., April 8, 1986.
Olson, R.K. The genetics and treatment of dyslexia. Invited presentation at the Max Planck Institute for Human Development, Berlin, West Germany, April 11, 1986.
Olson, R.K. The Etiology and Remediation of Reading Disability. Invited presentation to the Department of Psychology, University of Denver, October 6, 1986.
Olson, R.K. A Proposal for a Reading Assessment and Training Package. Invited presentation to the IBM Education Group, Atlanta, Georgia, October 10, 1986.
Olson, R.K. Measures of Reading and Language Processes. Invited presentation at the Bowman Gray Consensus Conference, Winston Salem, North Carolina, October 28, 1986.
Olson, R.K. The Etiology and Remediation of Dyslexia. Invited talk to the Psychology Department at Dalhousie University, Hallifax, March 25, 1988.
Olson, R.K., Diagnostic Measures in Reading Disability. Invited presentation at the NICHD "Workshop on Diagnosis and Measurement of Learning Disabilities" Washington, D.C., May 2, 1988.
Olson, R.K. Heritability of component reading and language deficits in dyslexia. Invited presentation at the First Annual Conference on Research and Theory in Learning Disabilities, Penn State, May 31, 1988.
Olson, R.K., & Wise, B. Subtype by Treatment Interactions in Reading and Language Disorders. Invited presentation and symposium organized at the First Annual Conference on Research and Theory in Learning Disabilities, Penn State, June 1, 1988.
Olson, R.K., Specific deficits in component reading and language skills: Genetic and environmental influences. Invited presentation at the Academia Rodinensis Pro Remediatione, Seventh International Symposium, Wenner Gren Center, Stockholm, June 20, 1988.
Olson, R.K., Word recognition and comprehension failures in dyslexic readers. Invited presentation at the Conference on Comprehension Processes at the Netherlands Institute for Advanced Study, Wassenaar, June 27, 1988.
Olson, R.K., and Wise, B. Computer Assisted Learning. Invited presentation to the International Academy for Research in Learning Disabilities, Ann Arbor, June 2, 1989.
Olson, R.K. Research findings. Invited address to the National Educational Computing Conference, Boston, June 21, 1989.
Olson, R.K. The Heritability of Eye Movement Patterns in Dyslexic and Normal Readers. Invited address to the European Conference on Eye Movements (5), Pavia Italy, September 11, 1989.
Olson, R.K. Genetic influences on component reading and language skills in dyslexia. Invited address to the Rodin Remediation Academy, Dublin Ireland, September 12, 1989.
Olson, R.K. Computer based remediation of dyslexia. Invited address to the Rodin Remediation Academy, University College of North Wales, September 16, 1989.
Olson, R.K. Dyslexia: Causes and cures. Invited address to the Department of Psychology, University of Oregon, September 25, 1989.
Wise, B.W., & Olson, R.K. Relative benefits of different sub word units for
early readers. Invited address at the IRA Thirteenth World Congress on
Reading, Stockholm, July 6, 1990.
Olson, R.K., & Wise, B.W. Segmentation and computer-based remediation for
disabled readers. Invited address and sesssion chaired at the IRA
Thirteenth World Congress on Reading, Stockholm, July 6, 1990.
Olson, R. K. Etiology and Remediation of Dyslexia. Invited address to the
Department of General and Applied Linguistics, University of Copenhagen,
Copenhagen, Denmark, October 22, 1990.
Olson, R. K. Dyslexia, Current Research Perspectives. Invited address to the
conference on Literacy in a World of Change, Stavanger, Norway, Oct. 24,
Olson, R. K., Wise, B. W., & Rack, J. The Genetic Etiology of Phonological
Coding and Segmental Language Deficits in Dyslexia. Invited address to
the Orton Dyslexia Society 41st Annual Conference, Washington, D.C.,
November 2, 1990.
Olson, R. K., & Wise, B. W. Reading Stories on the Computer with Orthographic
and Speech Feedback. Invited address to the Orton Dyslexia Society 41st
Annual Conference, Washington, D.C., November 2, 1990.
Olson, R. K. The remediation of dyslexia with talking computers. Invited
Presentation to the Edmonton School District, Edmonton Alberta, March 7,
1991.
Olson, R. K. Genetic and environmental influences on reading and language
deficits. Invited presentation to the Department of Psychology, University
of Edmonton, Edmonton Alberta, March 8, 1991.
Rack, J. R., & Olson, R. K. The use of twin data for understanding causal
relationships in reading ability. Invited presentation to the British
Dyslexia Association, 4 April 1991 at Oxford Polytechnic.
Olson, R. K., & Rack, J. P. Genetic and environmental influences on
component reading skills. Invited presentation to the British Dyslexia
Association, 4 April 1991 at Oxford Polytechnic.
Olson, R.K. Heritability of segmental language skills. Invited presentation at the
University of Washington Symposium on Literacy, April 20, 1991.
Olson, R.K. Genetic and environmental influences on disabled readers' deficits
in component reading and language skills. Invited presentation at the Sylvia
Beach Language Comprehension Conference, Newport Oregon, August 3, 1991.
Olson, R.K. Genetic etiologies of reading disability. Invited tutorial at the NATO ASI conference on Differential Diagnosis and Treatments of Reading and Writing Disorders, Bonas, France, October 7, 1991.
Olson, R.K. Computer-based remediation of reading disability. Invited
tutorial at the NATO ASI conference on Differential Diagnosis and
Treatments of Reading and Writing Disorders, Chateau de Bonas, France,
October 7, 1991.
Olson, R.K. The etiology and remediation of reading disabilities. Invited address to the
Norwegian Institute of Special Education, Oslo, October 11, 1991.
Olson, R.K. The nature of specific reading disability. Invited address to the
Orton Dyslexia Society, Portland Oregon, November 8, 1991.
Olson, R.K. Measurement of phonological, orthographic, and word recognition
skills. Invited presentation at the Measurement of Learning Disabilities
Conference, NIH, Bethesda, Maryland, April 7-9, 1992.
Olson, R.K., Genetic and environmental influences on reading and language
deficits. Invited presentation to the Psychology Department, McQuarie
University, Sydney, Australia, July 20, 1992.
Olson, R.K. Genetic and environmental influences on reading and language
deficits. Invited presentation to the Psychology Department, University of
Wollongong, Wollongong, Australia, July 22, 1992.
Olson, R.K. Genetic and environmental influences on reading and language
deficits. Invited presentation to the Psychology Department, University of
Brisbane, Brisbane, Australia, July 28, 1992.
Olson, R.K. Genetic and environmental influences of reading and language
defiicits. Invited presentation to the Psychology Department, James Cook
University, Townsville, Australia, July 30, 1992.
Olson, R.K. Genetic and environmental influences on reading and language
deficits. Invited presentation to the Psychology Department, University of New Mexico, Las Cruces, Sept. 28, 1992.
Olson, R.K. Twin and family studies of immune disorders, dyslexia, and left
handedness. Invited presentation at the 2nd Stavanger International
Conference on Dyslexia, Stavanger, Norway, Oct. 19-20, 1992.
Olson, R.K. Methodological problems in research on reading and language
disabilities. Invited presentation at the Norwegian Institute for Special
Education, Oslo, Norway, Oct. 21, 1992.
Olson, R.K., Failure in early reading development: Genetic and environmental
influences. Invited presentation to the MacArthur Foundation Transitions
Network conference on "The 5-7 Year Shift: Transition to the School
Years. Marco, Florida, Nov. 19-22.
Olson, R.K. Genetic and Environmental Influences in Developmental Dyslexia.
Keynote address presented at The Third Annual Conference: MGH Institute
of Health Professions and Landmark School. Boston, May 1, 1993.
Olson, R.K. Twin analyses of genetic and environmental influences on deficits
and individual differences in reading and language skills. Invited presentation to the Conference on Methodological Issues in Dyslexia Research, Gothemborg, Sweden, Aug. 28, 1993.
Olson, R.K. Diagnostic procedures: Measurement of component skills in
reading and language. Invited presentation to the Conference on
Methodological Issues in Dyslexia Research. Gothemborg, Sweden, Aug. 29,
1993.
Olson, R.K. Computer-based methods for remediation. Invited presentation to the
Conference on Methodological Issues in Dyslexia Research. Gothemborg,
Sweden, Aug. 30, 1993.
Olson, R.K. Genetic and environmental influences on deficits in phonological
reading and language processes. Invited address to the British Dyslexia
Society, Manchester England, April 6, 1994.
Olson, R.K. Component skills in reading: implications of differential
heritability for remediation strategies. Invited address to the
conference on Converging Methods for Understanding Reading and Dyslexia,
Halifax, Nova Scotia, Aug. 5, 1994.
Olson, R.K. The genetic factor in learning deficiency. Invited address to
the International Academy for Research in Learning Disabilities, On the
cruise ship Richard With, Norway, Aug. 24, 1994
Olson, R.K. Computer-based remediation of reading disabilities. Invited
address to the International Academy for Research in Learning
Disabilities, Tromso, Norway, Aug. 27, 1994
Olson, R.K. Genetic and envirionmental influences in dyslexia. Invited
address to the Rodin Remediation Society, Malta, Sept. 24, 1994.
Olson, R.K. Phonological deficits in the etiology and remediation of word-recognition and spelling disabilities: But is that the whole story? Invited address to the National Dyslexia Research Foundation, Kauai, Hawaii, May 29, 1995.
Olson, R.K. How can we find out about the heritable component of dyslexia? Invited address to the Nordic Conference on Reading, Turku, Finland, June 10, 1995.
Olson, R.K. Genetic and Environmental Influences on Reading and Spelling Disabilities. Invited paper presented at the Symposium on Learning Disabilities, Aalborg, Denmark, May 21, 1996.
Wise, B.W., & Olson, R.K. Interactive computer support for improving phonological skills. Invited paper presented at Metsala and Ehri conf., June 5, 1996.
Olson, R.K. Human genetic studies in twins. Invited paper presented to a symposium on Studies of Dyslexia with Techniques of Molecular Genetics, Gothenburg, Sweden, June 3, 1996.
Olson, R.K. The genetics of LD -Twin Studies. Invited presentation to the Learning Disabilities Association, Washington DC, May 12, 1997.
Olson, R.K. Training of phonological awareness - what is actually learnt. Invited presentation to the Consensus Conference on Definitions in the Field of Dyslexia, Stockholm, Sweden, October 24, 1997.
Olson, R.K., & Wise, B.W. Problems in transfer from improved phonological skills to reading growth. Invited presentation to the Orton Dyslexia Society, Minneapolis, November 14, 1997.
Olson, R.K. The computer as a remedial and compensatory tool. Invited presentation at the conference on Dyslexia: Advances in Theory and Practice, Stavanger, Norway, November 23, 1997.
Olson, R.K. Problems in transfer from trained phonological skills to fluent reading. Invited address to the COST 8 A Workshop, Vienna, Austria, March 12, 1998.
Olson, R.K. Prevention of reading difficulties in young children. Invited Keynote address to the Southern California Literacy Summit, University of Southern California, April 29, 1998.
Olson, R.K., & Wise, B.W. Progress and promise in reading intervention research. Invited presentation at A Conference Retreat for Scientists of the NICHD Reading Research Network. Rockville, MD, September 22, 1998.
Olson, R.K., Skilled reading. Invited address to the National Academy of Education, Stanford University, Oct. 15, 1998.
Olson, R.K., The NRC report on the prevention of reading difficulties in young children. Invited address to the Improving America's Schools Conference, Denver, November 19, 1998.
Olson, R.K., & Datta, H. Visual-temporal processing in reading-disabled and normal twins. Invited address at the University of Haifa, June 13, 1999.
Olson, R.K. Genetic and environmental influences on reading disability. Invited address at the University of Haifa, June 13, 1999.
Olson, R.K. Effects of computerized speech and reading remediation. Invited address at Svenska Dyslexistiftelsens andra nordiska kongress om dyslexipedagogik, September 11, 1999.
Olson, R.K. Reading Disability. Invited address to the International Minisymposium on Reading Disability, Stockholm, September 10, 1999.
Olson, R.K. Current Development in Research on Reading Disabilities. Invited address to the State-Wide Conference on Reading, Brighton CO, September 18, 1999.
Olson, R.K. Genetic and environmental influences on reading. Invited address to the International Dyslexia Association, Albuquerque NM, February 11, 2000
Olson, R.K. Individual characteristics and computer training methods for learning disabilities. Invited address to the 12th Annual Courage to Risk conference, Colorado Springs, CO, February 12, 2000.
Olson, R.K. Genes and environment in reading and learning disabilities. Invited address to the 12th Annual Courage to Risk conference, Colorado Springs, CO, February 12, 2000.
Olson, R.K., & Compton, D. Genetic and environmental influences on reading speed and RAN: An overview of results from the Colorado Twin Study. Invited address to the National Dyslexia Research Foundation Extraordinary Brain Series: Time, fluency and developmental dyslexia. Crete, Greece, June 25, 2000.
Compton, D.L. & Olson, R.K. A critical examination of the double deficit hypothesis. Paper presented to the meeting of the Society for the Scientific Study of Reading, Stockholm, July 22, 2000.
Olson, R.K. Genetic and environmental etiology of dyslexic phenotypes. Paper presented at the meeting of the International Congress of Psychology, Stockholm, July 24, 2000.
Olson, R.K. IQ is related to the genetic and environmental etiology of dyslexia. Paper presented at the meeting of the International Congress of Psychology, Stockholm, July 27, 2000.
Olson, R.K. Genetic and environmental links between different measures of language, reading, and visual processing. Paper presented at the meeting of the International Congress of Psychology, Stockholm, July 28, 2000.
Olson, R.K. The genetic etiology of phoneme awareness and results from remedial training. Invited address at Literacy in the New Millenium: A symposium in honor of Ingvar Lundberg at the occasion of his 65th birthday. Stockholm, July 30, 2000.
Wise, B.W., Ring, J., Sessions, L., & Olson, R.K. Training self-correction in book-reading for children receiving computer-assisted phonological instruction. Poster presented at he Pacific Coast Research Conference, San Diego, CA, February 2000.
Olson, R.K. (2001). Genes and environment in reading disabilities. Invited presentation to the Center for Reading Research, Stavanger College, Stavanger, Norway, January 22, 2001.
Olson, R.K. (2001). Reading disabilities: Etiology and remediation. Invited presentation at the University of New England, Armidale, Australia, March 28, 2001
Olson, R.K. (2001). Research on Learning Disabilities (Challenges) Since 1973. Invited presentation at the University of Colorado at Boulder Graduate School Symposium: Thinking Alternatives: Research and Cognitive Disabilities, Boulder, Aug. 30, 2001
Olson, R.K. (2001). Longitudinal studies of reading-related learning disabilities: Age-to-age relationships among neurocognitive, familial, and academic variables. Invited presentation at the meeting of the International Dyslexia Association, Albuquerque NM, October 26, 2001.
Olson, R.K. (2001). Genetic and environmental influences on the development of reading and language skills. Invited presentation at the NATO Advanced Study Institute, Il Ciocco Tuscany, Italy, Nov. 12, 2001.
Olson, R.K. (2002). Recent findings from the Colorado Learning Disability Research Center. Invited presentation at the meeting of the Learning Disabilities Association, Denver, Colorado, February 15, 2002
Olson, R.K. (2002). Genes and environment in reading development. Invited presentation to the Neuroscience Seminar Series, CU, February 19, 2002.
Olson, R.K. (2002). Dyslexia: Nature and nurture. Invited address for the T.R. Miles Lecture, Bangor, Wales, May 16, 2002.
Olson, R.K., Byrne, B., & Samuelsson, S. (2002). Preschool results from a cross-linguistic (American, Australian, Norwegian) longitudinal twin study of early reading development. Invited presentation at the meeting for the European initiative on cross-linguistic research, Bangor, Wales, May 17, 2002.
Olson, R.K. (2002). Genetic and environmental influences in reading disability. Plenary Address to the 2002 OSEP Research Project Directors' Conference, Washington D.C., July 12, 2002.
Olson, R.K. (2002). Genetic and environmental influences on reading and related cognitive skills. Invited address to the Third Nordic Congress on Dyslexia, Stockholm, Sweden, August 8, 2002.
Olson, R.K. (2002). The genetics of reading. Invited address to the University of New England International Twin Methodology Symposium. Armidale, Australia, July 22, 2002.
Olson, R.K. (2002). Genes matter in reading development, and so does teaching. Invited address to the 24th International Conference on Learning Disabilities, Denver CO, October 10, 2002.
Olson, R.K. (2003). Genes and Reading Disability. Presented at the Joint Meeting of the Literacy and Numeracy Networks of the Learning Sciences and Brain Research Project, Boston, January 28, 2003
Olson, R.K. (2003). Genetic and environmental influences in reading disabilities. Invited address to the John F. Kennedy Center for Research on Human Development, Interdisciplinary Lectures in the Science of Reading. Vanderbilt University, Nashville TN, January 30, 2003.
Olson, R.K. (2003). Genetic and environmental influences in reading ability and disability. Invited presentation to the Merrill Center conference on The Connections between Language and Reading Disabilities: Current Findings and Future Directions. Tempe, Arizona, March 27, 2003.
Olson, R.K. (2003). The etiology and remediation of reading disabilities. Invited presentation to Stavanger College, Stavanger, Norway, September 15, 2003.
Olson, R.K. & Wise, B.A.(2003). Computer based remediation of reading disability. Invited presentation to the Netherlands Organization for Scientific Research, Amsterdam, The Netherlands, November 20, 2003.
Olson, R.K. (2004). Genetic and environmental influences in dyslexia. Invited address to the workshop: Dyslexia: from neuroscience to practice, Warsaw, September 5, 2004.
Olson, R.K. (2004).
Richard Olson and Janice Keenan. Genetic and environmental influences on reading and language disabilities. Presentation at the symposium on Genetic Findings in Reading Disabilities and Related Cognitive Processes, University of Toronnto, June 23, 2005.
Richard Olson, Genetic and environmental influences on reading and related skills. Paper presented at the meeting of the Canadian Language and Literacy Research Network, June 27, 2005.
Richard Olson, Genetic and environmental influences on reading and language development. Paper presented at the Speech, Language, and Literacy Mini-Conference, University of Denver, July 27, 2005.
Richard Olson, What twin and training studies tell us about early genetic and environmental influences on reading difficulties. Paper presented at the meeting of the International Dyslexia Association: Research to practice, July 21, 2005.
Brian Byrne, Richard Olson, Stefan Samuelsson, Sally Wadsworth, Robin Corley, John C. DeFries, & Erik Willcutt. Longitudinal twin study of early literacy and language. Presented at the meeting of the International Dyslexia Association, Denver, November 9, 2005.
Richard Olson, Genes, environment, and dyslexia. Norman Geschwind memorial lecture award presented at the meeting of the International Dyslexia Association, Denver, November 11, 2005.
Richard Olson, The Colorado Learning Disabilities Research Center. Presentation to the NeuroDys Meeting, Frankfurt Germany, January 17, 2006.
Richard Olson & Jan Keenan, Genetic and environmental influences on word reading, reading comprehension, and listening comprehension. Paper presented at the FCRR Reading Research Conference on Reading Comprehension, St. Petersburg, FL, March 24, 2006
Richard Olson, Nature and Nurture of Reading and Language Skills. Invited address at the Learning and the Brain conference, Boston, March 30, 2006.
Richard Olson, Genes, Environment, and the Language-Reading Connection. Invited address to the Colorado Summer Institute, Brekenridge CO, June 30, 2006.
Richard Olson, Genetic and environmental influences on reading development. Invited address to the IARLD conference, Boulder CO, July 14, 2006.
Richard Olson, Genes, Environment, and Learning Disabilities. Invited address at the University of Linkoping, Linkoping Sweden, October 4, 2006.
Richard Olson, Genes, Environment, and Learning Disabilities. Invited address at the University of Stavanger, Stavanger Norway, October 10, 2006.
Richard Olson, Genes, Environment, and Learning Disabilities. Invited address at the University of Oslo, Oslo Norway, October 12, 2006.
Richard Olson, Genetic and Environmental Influences on Reading and Language Disabilities. Invited address to the Psychology Department at Washington University, St. Louis MO, October 23, 2006.
Richard Olson, Genes, Environment, and Reading. Invited address to the Higher Education Research Forum, Denver CO, November 30, 2006.
Richard Olson, Genetic and environmental influences on learning difficulties: Implications for differentiated instruction in the classroom. Invited address to the 22nd Annual Learning Differences Conference, Harvard Graduate School of Education, March 23, 2007.
Richard Olson, Genetic and environmental influences on reading ability and disability. Invited address, University of South Florida, March 26, 2007.
Richard Olson, Behavioral genetics and learning disabilities. Invited presentation to The Dyslexia Foundation 10th Extraordinary Brain Symposium, Campos do Jordano, Brazil, June 26, 2007.
Richard Olson, Behavioral genetics of reading disorder. Keynote address, Stavanger Reading and Writing Conference, Stavanger, Norway, August 31, 2007.
Richard Olson, Presentation from the Colorado Learning Disabilities Research Center, International Dyslexia Association, November 2, 2007.
Brian Byrne, Megan Gilliver, Will Coventry, Richard Olson, Stefan Samuelsson. (2008). Some sources of variation in vocabulary growth
Olson, R.K. (2008, February). Genetic and environmental influences on reading ability and disability. Invited address to the Oregon Dyslexia Association, Corvalis, Oregon, February 22, 2008.
Olson, R.K. (2008, March). Genetic and environmental influences on reading disability: Evidence from the Colorado Learning Disabilities Research Center, Keio University, Tokyo, Japan, March 24, 2008.
Olson, R.K. (2008, March). Genes and environments. Invited address at the meeting of the British Dyslexia Association, Harrogate, England, March 29, 2008.
Olson, R.K. (2008, July). Genes, environment, and reading (with a little help from my friends). Distinguished Scientific Contribution Award Address, Society for the Scientific Study of Reading, Ashville NC., July 11, 2008.
Olson, R.K. (2008, July). Genetic and environmental influences on phonological abilities and reading achievement. Invited address at the SSSR preconference symposium honouring the career of Donald Shankweiler, Ashville NC, July 9, 2008.
Friend, A., & Olson, R.K. (2008, July). Parental education predictsearly reading development from preschool through grade 2. Poster presented at the meeting of the Society for the Scientific Study of Reading, Ashville NC, July 11, 2008.
Olson, R.K. & Keenan, J.M. (2008, October). Genetic and environmental influences on word reading and spelling. Invited address to the German Dyslexia Association, Berlin, Germany, Oct. 4, 2008.
III. Grants
A. Multi-component program-projects or centers, PI on following components:
Word Decoding Operations. Funded by NICHD, $166,889 direct costs ($233,644 total costs). 7/1/79 - 6/8/82.
Word Decoding Operations, Funded by NICHD, $207,000 direct costs ($289,800 total costs). 7/1/82 - 6/30/85.
Reading and Language Processes. Funded by NICHD, $245,695 direct costs ($343,973 total costs). 7/1/85 - 6/30/88.
Reading and Language Processes. Funded by NICHD. Direct Costs $343,819. ($481,346 total costs). 7/1/88 - 6/30/92.
Reading and Language Processes. NIH, $493,915 direct costs ($705,806 total costs). 10/1/90 - 9/30/95.
Computer-based remediation of reading disabilities. NIH, $305,848 direct costs ($424,186 total costs). 10/1/90 - 9/30/95.
Reading and Language Processes. NIH, $549,583 direct costs. 10/1/95 - 9/30/00.
Computer-based remediation of reading disabilities. NIH, $484,339 direct costs. 10/1/95 - 9/30/00.
New Center II (Keenan, Compton Co-PI)
New Center V (Byrne, Co-PI)
B. Single-component grants as PI (University, Private Foundation, and R01)
Development of Pictorial Perception. Council on Research and creative Work, April 30, 1971. Funded for $3,000.
A joint proposal for the purchase of a multipurpose eye fixation monitor. Biomedical Sciences, funded for $16,900, November 1975.
A joint proposal for the purchase of a data gathering and visual display system. Biomedical Sciences, funded for $6,885, July 1978.
Word Decoding Operations. Council on Research and Creative Work. Funded for $3,000, 6/1/78 to 6/1/79.
Biomedical Sciences Grant for speech synthesizers. $7,740. Funded 7/19/85.
DEC Corporate Contributions Grant. $9,600. Funded 10/25/85.
Biomedical Sciences Grant for Computer Support. $2,440. Funded July, 1986.
DEC Corporate Contributions Grant for Computer Equipment. $12,000. Funded December, 1986.
Computer Speech Feedback in Text for Dyslexic Children. $400,866 direct costs. ($561,212 total costs). 1/1/87 - 12/30/89.
Biomedical Sciences Grant for Computer Based Reading Study. $3,805. Funded July, 1987.
DEC Corporate Contributions Grant. $12,000. Funded December, 1987.
Biomedical Sciences Grants for Computer Based Reading Study. $4,500. Funded June, 1989.
Computer Speech Feedback in Text for Dyslexic Children. NIH, $494,718 direct costs ($701,403 total costs). 1/1/90 - 12/31/92.
Computer Speech Feedback in Text for Dyslexic Children. NIH, $525,751 direct costs. 1/1/93 - 12/31/95.
Computer Speech Feedback in Text for Dyslexic Children. NIH, $730,922 direct costs. 1/1/95 - 12/31/98.
Genetic and environmental influences on early reading and language development. CRCW, $7,000. 4/15/98 - 4/30/99.
Longitudinal twin study of early reading development. NIH. $1,630,636 direct costs, $2,372,576 total costs. 3/1/00-2/28/05. (Byrne, DeFries, Pennington, Wilcutt, Wadsworth Co-PIs).
Renewed in 2000:
2 P50 HD 27802-11 (DeFries) 12/01/00-11/30/05
NIH/NICHD $1,149,097 (first year budget direct)
Learning Disabilities Center: Differential Diagnosis in Learning Disabilities
1. Research Project II: Reading and Language
Process (OlsonPI) $242,879 (first year) 10% academic (no sal)
33 % summer
The objective of this research project are to assess component processes and knowledge in reading and related language skills, in twins and siblings selected for deficits in reading and/or ADHD, and in normal-range control twins.
2. Research Project V: Early Reading, Language,
and Attention Development (OlsonPI) $147,329 (first year) 10% academic (no sal)
16.7% summer
The Colorado Learning Disabilities Research Center and Brian Byrne's research group at the University of New England in Australia will collaborate to assess genetic and environmental influences on the early development of reading and attention, and will attempt to identify the specific psychological processes that mediate these influences.
Co-PI
With John DeFries (PI), Administrative Core Unit. NIH, $750,877 direct costs, 1/1/95-12/31/98. (I serve as Associate Director and Co-PI.) This unit is responsible for coordinating five research projects and maintaining communication among them, ascertaining and scheduling of subjects, obtaining questionnaire data, managing a master file of combined data sets, and administering the center budget and other fiscal matters.
With Brian Byrne (PI), Genetics of Reading Ability. Australian Research Council, $215,000. 1/1/99 - 12/31/01. (I am the PI on a companion application, with Byrne as Co-PI, submtted Feb. 1, 1999, to study a similar twin population in Colorado.)
With Brian Byrne (PI), Genetics of Reading Ability. Australian Research Council, $244,000. 1/1/99 - 12/31/01. (I am the PI on a companion application, with Byrne as Co-PI.)
With John DeFries (PI), Administrative Core Unit. NIH, $750,877 direct costs, 1/1/95-12/ - 11/30/00. (I serve as Associate Director and Co-PI.) This unit is responsible for coordinating five research projects and maintaining communication among them, ascertaining and scheduling of subjects, obtaining questionnaire data, managing a master file of combined data sets, and administering the center budget and other fiscal matters.
With Walter Kintsch (PI), Scalable and sustainable technologies for reading instruction and assessment. NSF, $67, 832 direct costs 8/1/00-1/31/01. My role as Co-PI is to advise on the development of a large IERI application (submitted 1/31/01).
With Walter Kintsch (PI), Scalable and sustainable technologies for reading instruction and assessment. NSF, $5,997,403 direct costs 10/1/01-9/3/06. My role as Co-PI is to advise on the development of and implementation of the research program. Support is for 1 month summer.
3. Administrative Core Unit (DeFries) $202,361 (first year) 5% academic (no sal)
33% summer
(Olson Co-PI)
The Administrative Core Unit is responsible for coordinating the activities of the five research projects that make up the Center; maintaining communication among the participating investigators; ascertaining, scheduling and paying subjects; obtaining questionnaire data from families of twins; obtaining blood samples from twin pairs with reading disability and/or ADHD and from their biological parents and siblings for the genetic association and sibling-pair linkage analyses described in Research Project IV; preparing subcontracts and consortium agreements; managing the Center budget; and administering Center expenditures and other fiscal matters.
Current Support:
5 R01 HD 038526-06 (Olson, PI) 06/01/2006-11/30/2011
NIH/NICHD
Longitudinal Twin Study of Early Reading Development
The proposed research will assess the etiology of individual differences in prereading and early reading development, and their covariation with individual differences in attention.
Role: PI
5 P50 HD 027802-15 (Olson, PI) 12/01/2005-11/30/2010
NIH/NICHD
Learning Disabilities Center: Differential Diagnosis in Learning Disabilities
1. Research Project II: Reading and Language
Process (Olson, PI)
The objective of this research project are to assess component processes and knowledge in reading and related language skills, in twins and siblings selected for deficits in reading and/or ADHD, and in normal-range control twins.
Role: PI
2. Administrative Core Unit (Olson, PI)
The Administrative Core Unit is responsible for coordinating the activities of the five research projects that make up the Center; maintaining communication among the participating investigators; ascertaining, scheduling and paying subjects; obtaining questionnaire data from families of twins; obtaining blood samples from twin pairs with reading disability and/or ADHD and from their biological parents and siblings for the genetic association and sibling-pair linkage analyses described in Research Project IV; preparing subcontracts and consortium agreements; managing the Center budget; and administering Center expenditures and other fiscal matters.
Role: PI
5 R01 DC 005190-04 (Wadsworth) 02/15/02-01/31/07
NIH/NIDCD
Longitudinal Twin Study of Reading Disability
This project will initiate the first longitudinal twin study of reading disability and its relation with ADHD and other psychopathology.
Role: Co-I
1 R01 HD047264-01A1 (Willcutt) 07/15/05-05/31/10
NIH/NICHD
Etiology of Reading Disabilities and Comorbid ADHD
A genome-wide screen for quantitative trait loci that increase risk for reading disability and ADHD.
Role: Co-I
IV. Professional Service
B. Current Editorial Boards
Journal of Experimental Child Psychology
Journal of Learning Disabilities
Reading and Writing: An Interdisciplinary Journal
Scientific Studies of Reading
Journal of Educational Psychology
D. Officer in National Organization
Vice President, 1998-2000, President, 2001-03. Past President, 2003-2005, Society for the Scientific Study of Reading
E. Committee Service in National Organizations
Advisory Board of the Rodin Remediation Society
Executive Committee, Society for the Scientific Study of Reading
National Research Council Committee for the Prevention of Reading Difficulties in Young Children.
Scientific Advisory Board, International Dyslexia Association
Advisory Board, Haan Foundation
Research Advisory Board, Colorado Department of Education
G. Other Professional Service
Frequent ad hoc reviewer for a variety of journals and funding agencies
V. Awards and Honors
B. Research
Faculty Fellowship, 1993/94 AY
Psychology Department Research Award, 1996
Faculty Fellowship, 2000/01 AY
Psychology Department Research Award, 2004
Norman Geschwind Memorial Lecture Award, 2005
Distinguished Scientific Contribution Award from the Society for the Scientific Study of Reading, July 6th, 2006.
VI. Ph.D. Committees Chaired
Boswell, Sally (1974). The development of verbal and spatial organization for materials presented tachistoscopically.
Kliegl, Reinhold (1982). On relations between cognition and reading style: Individual differences and developmental trends.
Wise, Barbara (1987). Word segmentation in computerized reading instruction.
Johnson, Mina (1998). Strategy training for poor reading comprehenders: Strengthening the visual code versus the verbal code.
Ring, Jerry. PhD Fall 2000
Gayan, Javier. PhD Fall 2000
Friend, Angela, PhD Spring 2009.
Christopher, Micaela, PhD in progress
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