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Co-Authors

This is a "connection" page, showing publications co-authored by Richard Olson and Erik Willcutt.

 
Connection Strength
 
 
 
6.078
 
  1. Willcutt EG, Pennington BF, Duncan L, Smith SD, Keenan JM, Wadsworth S, Defries JC, Olson RK. Understanding the complex etiologies of developmental disorders: behavioral and molecular genetic approaches. J Dev Behav Pediatr. 2010 Sep; 31(7):533-44.
    View in: PubMed
    Score: 0.441
  2. Wakeman HN, Wadsworth SJ, Olson RK, DeFries JC, Pennington BF, Willcutt EG. Mathematics Difficulties and Psychopathology in School-Aged Children. J Learn Disabil. 2022 Apr 25; 222194221084136.
    View in: PubMed
    Score: 0.247
  3. Wakeman HN, Leopold DR, Olson RK, Willcutt EG. Modeling the Speeded Determinants of Adolescents' Academic and Attentional Functioning. Dev Neuropsychol. 2022 Mar-Apr; 47(2):61-77.
    View in: PubMed
    Score: 0.241
  4. MacDonald B, Pennington BF, Willcutt EG, Dmitrieva J, Samuelsson S, Byrne B, Olson RK. Cross-Country Differences in Parental Reporting of Symptoms of ADHD. J Cross Cult Psychol. 2019 Jul; 50(6):806-824.
    View in: PubMed
    Score: 0.202
  5. Willcutt EG, McGrath LM, Pennington BF, Keenan JM, DeFries JC, Olson RK, Wadsworth SJ. Understanding Comorbidity Between Specific Learning Disabilities. New Dir Child Adolesc Dev. 2019 May; 2019(165):91-109.
    View in: PubMed
    Score: 0.201
  6. Leopold DR, Christopher ME, Olson RK, Petrill SA, Willcutt EG. Invariance of ADHD Symptoms Across Sex and Age: a Latent Analysis of ADHD and Impairment Ratings from Early Childhood into Adolescence. J Abnorm Child Psychol. 2019 01; 47(1):21-34.
    View in: PubMed
    Score: 0.196
  7. Becker SP, Burns GL, Leopold DR, Olson RK, Willcutt EG. Differential impact of trait sluggish cognitive tempo and ADHD inattention in early childhood on adolescent functioning. J Child Psychol Psychiatry. 2018 10; 59(10):1094-1104.
    View in: PubMed
    Score: 0.190
  8. Arnett AB, Pennington BF, Peterson RL, Willcutt EG, DeFries JC, Olson RK. Explaining the sex difference in dyslexia. J Child Psychol Psychiatry. 2017 Jun; 58(6):719-727.
    View in: PubMed
    Score: 0.172
  9. Wadsworth SJ, DeFries JC, Willcutt EG, Pennington BF, Olson RK. Genetic Etiologies of Comorbidity and Stability for Reading Difficulties and ADHD: A Replication Study. Twin Res Hum Genet. 2016 12; 19(6):647-651.
    View in: PubMed
    Score: 0.169
  10. Christopher ME, Keenan JM, Hulslander J, DeFries JC, Miyake A, Wadsworth SJ, Willcutt E, Pennington B, Olson RK. The genetic and environmental etiologies of the relations between cognitive skills and components of reading ability. J Exp Psychol Gen. 2016 Apr; 145(4):451-66.
    View in: PubMed
    Score: 0.162
  11. Leopold DR, Christopher ME, Burns GL, Becker SP, Olson RK, Willcutt EG. Attention-deficit/hyperactivity disorder and sluggish cognitive tempo throughout childhood: temporal invariance and stability from preschool through ninth grade. J Child Psychol Psychiatry. 2016 09; 57(9):1066-74.
    View in: PubMed
    Score: 0.160
  12. Wadsworth SJ, DeFries JC, Willcutt EG, Pennington BF, Olson RK. The Colorado Longitudinal Twin Study of Reading Difficulties and ADHD: Etiologies of Comorbidity and Stability. Twin Res Hum Genet. 2015 Dec; 18(6):755-61.
    View in: PubMed
    Score: 0.158
  13. Keenan JM, Hua AN, Meenan CE, Pennington BF, Willcutt E, Olson RK. Issues in Identifying Poor Comprehenders. Annee Psychol. 2014 Dec 01; 114(4):753-777.
    View in: PubMed
    Score: 0.148
  14. Arnett AB, Pennington BF, Willcutt EG, DeFries JC, Olson RK. Sex differences in ADHD symptom severity. J Child Psychol Psychiatry. 2015 Jun; 56(6):632-9.
    View in: PubMed
    Score: 0.146
  15. Christopher ME, Hulslander J, Byrne B, Samuelsson S, Keenan JM, Pennington B, DeFries JC, Wadsworth SJ, Willcutt E, Olson RK. Genetic and environmental etiologies of the longitudinal relations between prereading skills and reading. Child Dev. 2015 Mar-Apr; 86(2):342-61.
    View in: PubMed
    Score: 0.146
  16. Willcutt EG, Chhabildas N, Kinnear M, DeFries JC, Olson RK, Leopold DR, Keenan JM, Pennington BF. The internal and external validity of sluggish cognitive tempo and its relation with DSM-IV ADHD. J Abnorm Child Psychol. 2014 Jan; 42(1):21-35.
    View in: PubMed
    Score: 0.139
  17. Christopher ME, Hulslander J, Byrne B, Samuelsson S, Keenan JM, Pennington B, Defries JC, Wadsworth SJ, Willcutt E, Olson RK. The genetic and environmental etiologies of individual differences in early reading growth in Australia, the United States, and Scandinavia. J Exp Child Psychol. 2013 Jul; 115(3):453-67.
    View in: PubMed
    Score: 0.134
  18. Miller AC, Keenan JM, Betjemann RS, Willcutt EG, Pennington BF, Olson RK. Reading comprehension in children with ADHD: cognitive underpinnings of the centrality deficit. J Abnorm Child Psychol. 2013 Apr; 41(3):473-83.
    View in: PubMed
    Score: 0.132
  19. Willcutt EG, Petrill SA, Wu S, Boada R, Defries JC, Olson RK, Pennington BF. Comorbidity between reading disability and math disability: concurrent psychopathology, functional impairment, and neuropsychological functioning. J Learn Disabil. 2013 Nov-Dec; 46(6):500-16.
    View in: PubMed
    Score: 0.131
  20. Christopher ME, Hulslander J, Byrne B, Samuelsson S, Keenan JM, Pennington B, Defries JC, Wadsworth SJ, Willcutt E, Olson RK. Modeling the Etiology of Individual Differences in Early Reading Development: Evidence for Strong Genetic Influences. Sci Stud Read. 2013; 17(5):350-368.
    View in: PubMed
    Score: 0.130
  21. Arnett AB, Pennington BF, Willcutt E, Dmitrieva J, Byrne B, Samuelsson S, Olson RK. A cross-lagged model of the development of ADHD inattention symptoms and rapid naming speed. J Abnorm Child Psychol. 2012 Nov; 40(8):1313-26.
    View in: PubMed
    Score: 0.128
  22. Christopher ME, Miyake A, Keenan JM, Pennington B, DeFries JC, Wadsworth SJ, Willcutt E, Olson RK. Predicting word reading and comprehension with executive function and speed measures across development: a latent variable analysis. J Exp Psychol Gen. 2012 Aug; 141(3):470-488.
    View in: PubMed
    Score: 0.122
  23. Arnett AB, Pennington BF, Friend A, Willcutt EG, Byrne B, Samuelsson S, Olson RK. The SWAN captures variance at the negative and positive ends of the ADHD symptom dimension. J Atten Disord. 2013 Feb; 17(2):152-62.
    View in: PubMed
    Score: 0.121
  24. Pennington BF, Santerre-Lemmon L, Rosenberg J, MacDonald B, Boada R, Friend A, Leopold DR, Samuelsson S, Byrne B, Willcutt EG, Olson RK. Individual prediction of dyslexia by single versus multiple deficit models. J Abnorm Psychol. 2012 Feb; 121(1):212-24.
    View in: PubMed
    Score: 0.119
  25. Rosenberg J, Pennington BF, Willcutt EG, Olson RK. Gene by environment interactions influencing reading disability and the inattentive symptom dimension of attention deficit/hyperactivity disorder. J Child Psychol Psychiatry. 2012 Mar; 53(3):243-51.
    View in: PubMed
    Score: 0.118
  26. Olson RK, Hulslander J, Christopher M, Keenan JM, Wadsworth SJ, Willcutt EG, Pennington BF, DeFries JC. Genetic and environmental influences on writing and their relations to language and reading. Ann Dyslexia. 2013 Apr; 63(1):25-43.
    View in: PubMed
    Score: 0.118
  27. Olson RK, Keenan JM, Byrne B, Samuelsson S, Coventry WL, Corley R, Wadsworth SJ, Willcutt EG, Defries JC, Pennington BF, Hulslander J. Genetic and Environmental Influences on Vocabulary and Reading Development. Sci Stud Read. 2011; 15(1):26-46.
    View in: PubMed
    Score: 0.113
  28. McGrath LM, Pennington BF, Shanahan MA, Santerre-Lemmon LE, Barnard HD, Willcutt EG, Defries JC, Olson RK. A multiple deficit model of reading disability and attention-deficit/hyperactivity disorder: searching for shared cognitive deficits. J Child Psychol Psychiatry. 2011 May; 52(5):547-57.
    View in: PubMed
    Score: 0.112
  29. Willcutt EG, Betjemann RS, McGrath LM, Chhabildas NA, Olson RK, DeFries JC, Pennington BF. Etiology and neuropsychology of comorbidity between RD and ADHD: the case for multiple-deficit models. Cortex. 2010 Nov-Dec; 46(10):1345-61.
    View in: PubMed
    Score: 0.109
  30. Pennington BF, McGrath LM, Rosenberg J, Barnard H, Smith SD, Willcutt EG, Friend A, Defries JC, Olson RK. Gene X environment interactions in reading disability and attention-deficit/hyperactivity disorder. Dev Psychol. 2009 Jan; 45(1):77-89.
    View in: PubMed
    Score: 0.098
  31. Wadsworth SJ, DeFries JC, Olson RK, Willcutt EG. Colorado longitudinal twin study of reading disability. Ann Dyslexia. 2007 Dec; 57(2):139-60.
    View in: PubMed
    Score: 0.091
  32. Willcutt EG, Pennington BF, Olson RK, DeFries JC. Understanding comorbidity: a twin study of reading disability and attention-deficit/hyperactivity disorder. Am J Med Genet B Neuropsychiatr Genet. 2007 Sep 05; 144B(6):709-14.
    View in: PubMed
    Score: 0.090
  33. Willcutt EG, Pennington BF, Olson RK, Chhabildas N, Hulslander J. Neuropsychological analyses of comorbidity between reading disability and attention deficit hyperactivity disorder: in search of the common deficit. Dev Neuropsychol. 2005; 27(1):35-78.
    View in: PubMed
    Score: 0.074
  34. Hulslander J, Talcott J, Witton C, DeFries J, Pennington B, Wadsworth S, Willcutt E, Olson R. Sensory processing, reading, IQ, and attention. J Exp Child Psychol. 2004 Jul; 88(3):274-95.
    View in: PubMed
    Score: 0.072
  35. Willcutt EG, Pennington BF, Smith SD, Cardon LR, Gayán J, Knopik VS, Olson RK, DeFries JC. Quantitative trait locus for reading disability on chromosome 6p is pleiotropic for attention-deficit/hyperactivity disorder. Am J Med Genet. 2002 Apr 08; 114(3):260-8.
    View in: PubMed
    Score: 0.062
  36. Peterson RL, McGrath LM, Willcutt EG, Keenan JM, Olson RK, Pennington BF. How Specific Are Learning Disabilities? J Learn Disabil. 2021 11; 54(6):466-483.
    View in: PubMed
    Score: 0.057
  37. Gialluisi A, Andlauer TFM, Mirza-Schreiber N, Moll K, Becker J, Hoffmann P, Ludwig KU, Czamara D, Pourcain BS, Honbolygó F, Tóth D, Csépe V, Huguet G, Chaix Y, Iannuzzi S, Demonet JF, Morris AP, Hulslander J, Willcutt EG, DeFries JC, Olson RK, Smith SD, Pennington BF, Vaessen A, Maurer U, Lyytinen H, Peyrard-Janvid M, Leppänen PHT, Brandeis D, Bonte M, Stein JF, Talcott JB, Fauchereau F, Wilcke A, Kirsten H, Müller B, Francks C, Bourgeron T, Monaco AP, Ramus F, Landerl K, Kere J, Scerri TS, Paracchini S, Fisher SE, Schumacher J, Nöthen MM, Müller-Myhsok B, Schulte-Körne G. Genome-wide association study reveals new insights into the heritability and genetic correlates of developmental dyslexia. Mol Psychiatry. 2021 07; 26(7):3004-3017.
    View in: PubMed
    Score: 0.056
  38. Slomowitz RF, Narayan AJ, Pennington BF, Olson RK, DeFries JC, Willcutt EG, McGrath LM. In Search of Cognitive Promotive and Protective Factors for Word Reading. Sci Stud Read. 2021; 25(5):397-416.
    View in: PubMed
    Score: 0.055
  39. Truong DT, Adams AK, Paniagua S, Frijters JC, Boada R, Hill DE, Lovett MW, Mahone EM, Willcutt EG, Wolf M, Defries JC, Gialluisi A, Francks C, Fisher SE, Olson RK, Pennington BF, Smith SD, Bosson-Heenan J, Gruen JR. Multivariate genome-wide association study of rapid automatised naming and rapid alternating stimulus in Hispanic American and African-American youth. J Med Genet. 2019 08; 56(8):557-566.
    View in: PubMed
    Score: 0.050
  40. Gialluisi A, Andlauer TFM, Mirza-Schreiber N, Moll K, Becker J, Hoffmann P, Ludwig KU, Czamara D, St Pourcain B, Brandler W, Honbolygó F, Tóth D, Csépe V, Huguet G, Morris AP, Hulslander J, Willcutt EG, DeFries JC, Olson RK, Smith SD, Pennington BF, Vaessen A, Maurer U, Lyytinen H, Peyrard-Janvid M, Leppänen PHT, Brandeis D, Bonte M, Stein JF, Talcott JB, Fauchereau F, Wilcke A, Francks C, Bourgeron T, Monaco AP, Ramus F, Landerl K, Kere J, Scerri TS, Paracchini S, Fisher SE, Schumacher J, Nöthen MM, Müller-Myhsok B, Schulte-Körne G. Genome-wide association scan identifies new variants associated with a cognitive predictor of dyslexia. Transl Psychiatry. 2019 02 11; 9(1):77.
    View in: PubMed
    Score: 0.049
  41. Lukowski SL, Rosenberg-Lee M, Thompson LA, Hart SA, Willcutt EG, Olson RK, Petrill SA, Pennington BF. Approximate Number Sense Shares Etiological Overlap with Mathematics and General Cognitive Ability. Intelligence. 2017 Nov; 65:67-74.
    View in: PubMed
    Score: 0.045
  42. Adams AK, Smith SD, Truong DT, Willcutt EG, Olson RK, DeFries JC, Pennington BF, Gruen JR. Enrichment of putatively damaging rare variants in the DYX2 locus and the reading-related genes CCDC136 and FLNC. Hum Genet. 2017 11; 136(11-12):1395-1405.
    View in: PubMed
    Score: 0.045
  43. Livingstone LT, Coventry WL, Corley RP, Willcutt EG, Samuelsson S, Olson RK, Byrne B. Does the Environment Have an Enduring Effect on ADHD? A Longitudinal Study of Monozygotic Twin Differences in Children. J Abnorm Child Psychol. 2016 11; 44(8):1487-1501.
    View in: PubMed
    Score: 0.042
  44. Gialluisi A, Visconti A, Willcutt EG, Smith SD, Pennington BF, Falchi M, DeFries JC, Olson RK, Francks C, Fisher SE. Investigating the effects of copy number variants on reading and language performance. J Neurodev Disord. 2016; 8:17.
    View in: PubMed
    Score: 0.041
  45. Peterson RL, Boada R, McGrath LM, Willcutt EG, Olson RK, Pennington BF. Cognitive Prediction of Reading, Math, and Attention: Shared and Unique Influences. J Learn Disabil. 2017 Jul/Aug; 50(4):408-421.
    View in: PubMed
    Score: 0.040
  46. Powers NR, Eicher JD, Miller LL, Kong Y, Smith SD, Pennington BF, Willcutt EG, Olson RK, Ring SM, Gruen JR. The regulatory element READ1 epistatically influences reading and language, with both deleterious and protective alleles. J Med Genet. 2016 Mar; 53(3):163-71.
    View in: PubMed
    Score: 0.040
  47. Soden B, Christopher ME, Hulslander J, Olson RK, Cutting L, Keenan JM, Thompson LA, Wadsworth SJ, Willcutt EG, Petrill SA. Longitudinal stability in reading comprehension is largely heritable from grades 1 to 6. PLoS One. 2015; 10(1):e0113807.
    View in: PubMed
    Score: 0.037
  48. Eicher JD, Powers NR, Miller LL, Mueller KL, Mascheretti S, Marino C, Willcutt EG, DeFries JC, Olson RK, Smith SD, Pennington BF, Tomblin JB, Ring SM, Gruen JR. Characterization of the DYX2 locus on chromosome 6p22 with reading disability, language impairment, and IQ. Hum Genet. 2014 Jul; 133(7):869-81.
    View in: PubMed
    Score: 0.035
  49. Astrom RL, Wadsworth SJ, Olson RK, Willcutt EG, Defries JC. Genetic and environmental etiologies of reading difficulties: DeFries-Fulker analysis of reading performance data from twin pairs and their nontwin siblings. Learn Individ Differ. 2012 Jun 01; 22(3):365-369.
    View in: PubMed
    Score: 0.030
  50. Wadsworth SJ, Olson RK, Willcutt EG, DeFries JC. Multiple regression analysis of reading performance data from twin pairs with reading difficulties and nontwin siblings: the augmented model. Twin Res Hum Genet. 2012 Feb; 15(1):116-9.
    View in: PubMed
    Score: 0.030
  51. Astrom RL, Wadsworth SJ, Olson RK, Willcutt EG, DeFries JC. DeFries-Fulker analysis of longitudinal reading performance data from twin pairs ascertained for reading difficulties and from their nontwin siblings. Behav Genet. 2011 Sep; 41(5):660-7.
    View in: PubMed
    Score: 0.028
  52. Bidwell LC, Willcutt EG, McQueen MB, DeFries JC, Olson RK, Smith SD, Pennington BF. A family based association study of DRD4, DAT1, and 5HTT and continuous traits of attention-deficit hyperactivity disorder. Behav Genet. 2011 Jan; 41(1):165-74.
    View in: PubMed
    Score: 0.028
  53. Smith SD, Grigorenko E, Willcutt E, Pennington BF, Olson RK, DeFries JC. Etiologies and molecular mechanisms of communication disorders. J Dev Behav Pediatr. 2010 Sep; 31(7):555-63.
    View in: PubMed
    Score: 0.028
  54. Ebejer JL, Coventry WL, Byrne B, Willcutt EG, Olson RK, Corley R, Samuelsson S. Genetic and Environmental Influences on Inattention, Hyperactivity-Impulsivity, and Reading: Kindergarten to Grade 2. Sci Stud Read. 2010 Jul; 14(4):293-316.
    View in: PubMed
    Score: 0.027
  55. Hulslander J, Olson RK, Willcutt EG, Wadsworth SJ. Longitudinal Stability of Reading-Related Skills and their Prediction of Reading Development. Sci Stud Read. 2010 Mar 01; 14(2):111-136.
    View in: PubMed
    Score: 0.027
  56. Byrne B, Coventry WL, Olson RK, Samuelsson S, Corley R, Willcutt EG, Wadsworth S, Defries JC. Genetic and Environmental Influences on Aspects of Literacy and Language in Early Childhood: Continuity and Change from Preschool to Grade 2. J Neurolinguistics. 2009 May; 22(3):219-236.
    View in: PubMed
    Score: 0.025
  57. Friend A, DeFries JC, Olson RK, Pennington B, Harlaar N, Byrne B, Samuelsson S, Willcutt EG, Wadsworth SJ, Corley R, Keenan JM. Heritability of high reading ability and its interaction with parental education. Behav Genet. 2009 Jul; 39(4):427-36.
    View in: PubMed
    Score: 0.025
  58. Samuelsson S, Byrne B, Olson RK, Hulslander J, Wadsworth S, Corley R, Willcutt EG, Defries JC. Response to early literacy instruction in the United States, Australia, and Scandinavia: A behavioral-genetic analysis. Learn Individ Differ. 2008; 18(3):289-295.
    View in: PubMed
    Score: 0.023
  59. Shanahan MA, Pennington BF, Yerys BE, Scott A, Boada R, Willcutt EG, Olson RK, DeFries JC. Processing speed deficits in attention deficit/hyperactivity disorder and reading disability. J Abnorm Child Psychol. 2006 Oct; 34(5):585-602.
    View in: PubMed
    Score: 0.021
Connection Strength

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Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.

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