DeFries, John C.

Individual differences in executive functions are almost entirely genetic in origin.

Friedman, N. P., Miyake, A., Young, S. E., DeFries, J. C., Corley, R. P., & Hewitt, J. K. (2008) · Journal of Experimental Psychology: General

Cognitive Abilities and TestingNeural and Behavioral Psychology Studies

Cited by 1,547

Not All Executive Functions Are Related to Intelligence

Friedman, N. P., Miyake, A., Corley, R. P., Young, S. E., DeFries, J. C., & Hewitt, J. K. (2006) · Psychological Science

Cognitive Abilities and TestingNeural and Behavioral Psychology Studies

Cited by 1,293

Top 10 Replicated Findings From Behavioral Genetics

Plomin, R., DeFries, J. C., Knopik, V. S., & Neiderhiser, J. M. (2016) · Perspectives on Psychological Science

Cognitive Abilities and TestingGenetic Associations and Epidemiology

Cited by 517

Processing Speed Deficits in Attention Deficit/Hyperactivity Disorder and Reading Disability

Shanahan, M. A., Pennington, B. F., Yerys, B. E., Scott, A., Boada, R., Willcutt, E. G., Olson, R. K., & DeFries, J. C. (2006) · Journal of Abnormal Child Psychology

Attention Deficit Hyperactivity DisorderReading and Literacy Development

Cited by 431

Etiology and neuropsychology of comorbidity between RD and ADHD: The case for multiple-deficit models

Willcutt, E. G., Betjemann, R. S., McGrath, L. M., Chhabildas, N. A., Olson, R. K., DeFries, J. C., & Pennington, B. F. (2010) · Cortex

Attention Deficit Hyperactivity DisorderReading and Literacy Development

Cited by 354

Comorbidity Between Reading Disability and Math Disability: Concurrent Psychopathology, Functional Impairment, and Neuropsychological Functioning

Willcutt, E. G., Petrill, S. A., Wu, S., Boada, R., DeFries, J. C., Olson, R. K., & Pennington, B. F. (2013) · Journal of Learning Disabilities

Reading and Literacy DevelopmentDevelopmental and Educational Neuropsychology

Cited by 343

Sex differences in ADHD symptom severity

Arnett, A. B., Pennington, B. F., Willcutt, E. G., DeFries, J. C., & Olson, R. K. (2015) · Journal of Child Psychology and Psychiatry

Attention Deficit Hyperactivity DisorderDevelopmental and Educational Neuropsychology

Cited by 333

A multiple deficit model of reading disability and attention‐deficit/hyperactivity disorder: searching for shared cognitive deficits

McGrath, L. M., Pennington, B. F., Shanahan, M. A., Santerre‐Lemmon, L. E., Barnard, H. D., Willcutt, E. G., DeFries, J. C., & Olson, R. K. (2011) · Journal of Child Psychology and Psychiatry

Reading and Literacy DevelopmentAttention Deficit Hyperactivity Disorder

Cited by 302

Nature, Nurture, and Cognitive Development from 1 to 16 Years: A Parent-Offspring Adoption Study

Plomin, R., Fulker, D. W., Corley, R., & DeFries, J. C. (1997) · Psychological Science

Cognitive Abilities and TestingGenetic Associations and Epidemiology

Cited by 254

The Internal and External Validity of Sluggish Cognitive Tempo and its Relation with DSM–IV ADHD

Willcutt, E. G., Chhabildas, N., Kinnear, M., DeFries, J. C., Olson, R. K., Leopold, D. R., Keenan, J. M., & Pennington, B. F. (2014) · Journal of Abnormal Child Psychology

Attention Deficit Hyperactivity DisorderChild and Adolescent Psychosocial and Emotional Development

Cited by 224

Understanding comorbidity: A twin study of reading disability and attention‐deficit/hyperactivity disorder

Willcutt, E. G., Pennington, B. F., Olson, R. K., & DeFries, J. C. (2007) · American Journal of Medical Genetics Part B: Neuropsychiatric Genetics

Attention Deficit Hyperactivity DisorderReading and Literacy Development

Cited by 205

Testing for Neuropsychological Endophenotypes in Siblings Discordant for Attention-Deficit/Hyperactivity Disorder

Bidwell, L. C., Willcutt, E. G., DeFries, J. C., & Pennington, B. F. (2007) · Biological Psychiatry

Attention Deficit Hyperactivity DisorderNeural and Behavioral Psychology Studies

Cited by 183

Explaining the sex difference in dyslexia

Arnett, A. B., Pennington, B. F., Peterson, R. L., Willcutt, E. G., DeFries, J. C., & Olson, R. K. (2017) · Journal of Child Psychology and Psychiatry

Reading and Literacy DevelopmentDevelopmental and Educational Neuropsychology

Cited by 162

Genetic etiology of comorbid reading difficulties and ADHD

Willcutt, E. G., DeFries, J. C., Pennington, B. F., Smith, S. D., Cardon, L. R., & Olson, R. K. (2003) · Behavioral genetics in the postgenomic era.

Attention Deficit Hyperactivity DisorderReading and Literacy Development

Cited by 54