Erik G Willcutt

Erik G Willcutt

UNVERIFIED PROFILE

Are you Erik G Willcutt?   Register this Author

Register author
Erik G Willcutt

Erik G Willcutt

Publications by authors named "Erik G Willcutt"

Are you Erik G Willcutt?   Register this Author

96Publications

1472Reads

45Profile Views

Cross-Country Differences in Parental Reporting of Symptoms of ADHD.

J Cross Cult Psychol 2019 Jul 4;50(6):806-824. Epub 2019 Jun 4.

University of Colorado Boulder and Linköping University.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0022022119852422DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6625658PMC
July 2019

Advancing the study of sluggish cognitive tempo via DSM, RDoC, and hierarchical models of psychopathology.

Eur Child Adolesc Psychiatry 2019 May 10;28(5):603-613. Epub 2018 Mar 10.

Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s00787-018-1136-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6131087PMC
May 2019

An Introduction to the Special Issue: Contributions of Executive Function to Academic Skills.

J Learn Disabil 2017 Jul/Aug;50(4):355-358. Epub 2017 Jan 17.

2 University of Colorado, Boulder, CO, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0022219415617166DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6642658PMC
March 2019

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

Department of Psychology and Neuroscience, University of Colorado Boulder, UCB 345, Boulder, CO, 80309-0345, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10802-018-0434-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6202270PMC
January 2019

Differential impact of trait sluggish cognitive tempo and ADHD inattention in early childhood on adolescent functioning.

J Child Psychol Psychiatry 2018 10 29;59(10):1094-1104. Epub 2018 Jun 29.

Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1111/jcpp.12946DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6158103PMC
October 2018

Sluggish cognitive tempo in adults: Psychometric validation of the Adult Concentration Inventory.

Psychol Assess 2018 03 6;30(3):296-310. Epub 2017 Apr 6.

Department of Psychology and Neuroscience, University of Colorado Boulder.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1037/pas0000476DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5630483PMC
March 2018

Distinct influences of affective and cognitive factors on children's non-verbal and verbal mathematical abilities.

Cognition 2017 09 27;166:118-129. Epub 2017 May 27.

Department of Psychiatry and Behavioral Sciences, Symbolic Systems Program, Program in Neuroscience, Stanford University, United States; Department of Neurology and Neurological Sciences, School of Medicine, Stanford University, United States. Electronic address:

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.cognition.2017.05.016DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6342282PMC
September 2017

Explaining the sex difference in dyslexia.

J Child Psychol Psychiatry 2017 Jun 8;58(6):719-727. Epub 2017 Feb 8.

Institute for Behavioral Genetics, University of Colorado at Boulder, Boulder, CO, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1111/jcpp.12691DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5438271PMC
June 2017

Genetic Etiologies of Comorbidity and Stability for Reading Difficulties and ADHD: A Replication Study.

Twin Res Hum Genet 2016 12 17;19(6):647-651. Epub 2016 Oct 17.

Institute for Behavioral Genetics,University of Colorado,Boulder,Colorado,USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1017/thg.2016.80DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5114151PMC
December 2016

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

School of Behavioural, Cognitive, and Social Sciences, University of New England, Armidale, NSW, Australia.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10802-016-0145-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5027180PMC
November 2016

Investigating the effects of copy number variants on reading and language performance.

J Neurodev Disord 2016 15;8:17. Epub 2016 May 15.

Language and Genetics Department, Max Planck Institute for Psycholinguistics, Wundtlaan 1, 6525 XD Nijmegen, The Netherlands ; Donders Institute for Brain Cognition and Behaviour, Nijmegen, The Netherlands.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1186/s11689-016-9147-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4868026PMC
May 2016

The regulatory element READ1 epistatically influences reading and language, with both deleterious and protective alleles.

J Med Genet 2016 Mar 11;53(3):163-71. Epub 2015 Dec 11.

Investigate Medicine, Yale University, New Haven, Connecticut, USA Department of Pediatrics, Yale University, New Haven, Connecticut, USA Department of Investigative Medicine, Yale University, New Haven, Connecticut, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1136/jmedgenet-2015-103418DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4789805PMC
March 2016

The Colorado Longitudinal Twin Study of Reading Difficulties and ADHD: Etiologies of Comorbidity and Stability.

Twin Res Hum Genet 2015 Dec 5;18(6):755-61. Epub 2015 Nov 5.

Institute for Behavioral Genetics,University of Colorado,Boulder,CO,USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1017/thg.2015.66DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4684790PMC
December 2015

Mathematics achievement and anxiety and their relation to internalizing and externalizing behaviors.

J Learn Disabil 2014 Nov-Dec;47(6):503-14. Epub 2013 Jan 11.

Stanford University, Palo Alto, CA, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0022219412473154DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3883980PMC
October 2015

Familial risk and ADHD-specific neural activity revealed by case-control, discordant twin pair design.

Psychiatry Res 2015 Sep 29;233(3):458-65. Epub 2015 Jul 29.

Institute of Cognitive Science, University of Colorado, Boulder, CO, USA; Department of Psychology & Neuroscience, University of Colorado, Boulder, CO, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.pscychresns.2015.07.019DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4898056PMC
September 2015

Sex differences in ADHD symptom severity.

J Child Psychol Psychiatry 2015 Jun 4;56(6):632-9. Epub 2014 Oct 4.

Institute for Behavioral Genetics, University of Colorado at Boulder, Boulder, CO, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1111/jcpp.12337DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4385512PMC
June 2015

Attention-deficit/hyperactivity disorder and solar irradiance: a cloudy perspective.

Biol Psychiatry 2014 Oct 11;76(8):e19-20. Epub 2013 Oct 11.

Attention-Deficit/Hyperactivity Outpatient Program at the Child and Adolescent Psychiatric Division, Hospital de Clínicas de Porto Alegre, Federal University of Rio Grande do Sãl, Porto Alegre; National Institute of Developmental Psychiatry for Children and Adolescent (Institutos Nacionais de Ciência e Tecnologia - Conselho Nacional de Desenvolvimento Científico e Tecnológico), São Paulo.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.biopsych.2013.07.044DOI Listing
October 2014

Neuropsychological functioning in childhood-onset psychosis and attention-deficit/hyperactivity disorder.

J Child Psychol Psychiatry 2014 Jul 24;55(7):811-8. Epub 2014 Jan 24.

University of Colorado, Boulder, CO, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1111/jcpp.12199DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4065620PMC
July 2014

Mathematics achievement scores and early psychosis in school-aged children.

Schizophr Res 2014 Jun 24;156(1):133-4. Epub 2014 Apr 24.

Department of Psychology and Neuroscience, University of Colorado at Boulder, 345 UCB, Boulder, CO 80309-0345, United States.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.schres.2014.03.027DOI Listing
June 2014

ADHD prevalence estimates across three decades: an updated systematic review and meta-regression analysis.

Int J Epidemiol 2014 Apr 24;43(2):434-42. Epub 2014 Jan 24.

Department of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil, Research Support Center on Neurodevelopment and Mental Health, University of São Paulo, São Paulo, Brazil, National Institute of Developmental Psychiatry for Children and Adolescents (INCT-CNPq), São Paulo, Brazil, Department of Psychology and Neuroscience, University of Colorado at Boulder, Boulder, CO, USA and ADHD Outpatient Program at the Child and Adolescent Psychiatric Division, Hospital de Clínicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.

View Article

Download full-text PDF

Source
https://academic.oup.com/ije/article-lookup/doi/10.1093/ije/
Publisher Site
http://dx.doi.org/10.1093/ije/dyt261DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4817588PMC
April 2014

Reaction time variability associated with reading skills in poor readers with ADHD.

J Int Neuropsychol Soc 2014 Mar 17;20(3):292-301. Epub 2014 Feb 17.

3 Psychology and Neuroscience, University of Colorado at Boulder, Boulder, Colorado.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1017/S1355617713001495DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3963392PMC
March 2014

Evidence for shared genetic risk between ADHD symptoms and reduced mathematics ability: a twin study.

J Child Psychol Psychiatry 2014 Jan 3;55(1):39-48. Epub 2013 Jun 3.

Radboud University Medical Centre Nijmegen, Donders Institute for Brain, Cognition and Behaviour, Department of Cognitive Neuroscience, Nijmegen, The Netherlands; King's College London, MRC Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, London, UK.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1111/jcpp.12090DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3865138PMC
January 2014

Genetic and environmental influences on writing and their relations to language and reading.

Ann Dyslexia 2013 Apr 13;63(1):25-43. Epub 2011 Aug 13.

Department of Psychology and Neuroscience, Institute for Behavioral Genetics, University of Colorado at Boulder, box 345, Boulder, CO 80309, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s11881-011-0055-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3218215PMC
April 2013

The SWAN captures variance at the negative and positive ends of the ADHD symptom dimension.

J Atten Disord 2013 Feb 15;17(2):152-62. Epub 2011 Dec 15.

University of Denver, Frontier Hall, 2155 S. Race St., Denver, CO 80208, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/1087054711427399DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3330134PMC
February 2013

The prevalence of DSM-IV attention-deficit/hyperactivity disorder: a meta-analytic review.

Authors:
Erik G Willcutt

Neurotherapeutics 2012 Jul;9(3):490-9

Department of Psychology and Neuroscience, University of Colorado, Boulder, CO 80309, USA.

View Article

Download full-text PDF

Source
http://link.springer.com/10.1007/s13311-012-0135-8
Publisher Site
http://dx.doi.org/10.1007/s13311-012-0135-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3441936PMC
July 2012

Gene by environment interactions influencing reading disability and the inattentive symptom dimension of attention deficit/hyperactivity disorder.

J Child Psychol Psychiatry 2012 Mar 2;53(3):243-51. Epub 2011 Sep 2.

Department of Psychology, University of Denver, Denver, CO 80208-0001, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1111/j.1469-7610.2011.02452.xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3235245PMC
March 2012

DeFries-Fulker analysis of longitudinal reading performance data from twin pairs ascertained for reading difficulties and from their nontwin siblings.

Behav Genet 2011 Sep 23;41(5):660-7. Epub 2011 Jan 23.

Institute for Behavioral Genetics, University of Colorado, 447 UCB, Boulder, CO 80309, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10519-011-9445-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3085049PMC
September 2011

Colorado Learning Difficulties Questionnaire: validation of a parent-report screening measure.

Psychol Assess 2011 Sep;23(3):778-91

Department of Psychology and Neuroscience, UCB 345, University of Colorado, Boulder, CO 80309, USA.

View Article

Download full-text PDF

Source
http://doi.apa.org/getdoi.cfm?doi=10.1037/a0023290
Publisher Site
http://dx.doi.org/10.1037/a0023290DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3164385PMC
September 2011

Predictive validity of a continuous alternative to nominal subtypes of attention-deficit/hyperactivity disorder for DSM-V.

J Clin Child Adolesc Psychol 2010 ;39(6):761-75

Department of Health Studies, University of Chicago, Chicago, IL 60637, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1080/15374416.2010.517173DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3056555PMC
March 2011

A family based association study of DRD4, DAT1, and 5HTT and continuous traits of attention-deficit hyperactivity disorder.

Behav Genet 2011 Jan 5;41(1):165-74. Epub 2011 Jan 5.

Department of Psychiatry and Human Behavior, Brown University, Box G-S121-4, Providence, RI 02912, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10519-010-9437-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3674022PMC
January 2011

Attentional control activation relates to working memory in attention-deficit/hyperactivity disorder.

Biol Psychiatry 2010 Apr 12;67(7):632-40. Epub 2010 Jan 12.

Institute for Cognitive Science, University of Colorado at Boulder, Boulder, Colorado, USA.

View Article

Download full-text PDF

Source
http://linkinghub.elsevier.com/retrieve/pii/S000632230901373
Publisher Site
http://dx.doi.org/10.1016/j.biopsych.2009.10.036DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2953472PMC
April 2010

The neural basis of sustained and transient attentional control in young adults with ADHD.

Neuropsychologia 2009 Dec 18;47(14):3095-104. Epub 2009 Jul 18.

Institute of Cognitive Science, University of Colorado at Boulder, Boulder, CO 80309-0344, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.neuropsychologia.2009.07.005DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3703501PMC
December 2009

Gene x Environment interactions in speech sound disorder predict language and preliteracy outcomes.

Dev Psychopathol 2007 ;19(4):1047-72

University of Denver, Department of Psychology, Frontier Hall, 2155 S Race Street, Denver, CO 80209, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1017/S0954579407000533DOI Listing
March 2008

Test of alternative hypotheses explaining the comorbidity between attention-deficit/hyperactivity disorder and conduct disorder.

J Abnorm Child Psychol 2008 Jan 17;36(1):29-40. Epub 2007 Jul 17.

Department of Psychology, University of Colorado, Boulder, CO 80309, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10802-007-9157-9DOI Listing
January 2008

Colorado longitudinal twin study of reading disability.

Ann Dyslexia 2007 Dec 4;57(2):139-60. Epub 2007 Dec 4.

Institute for Behavioral Genetics, University of Colorado, 447 UCB, Boulder, CO 80309, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s11881-007-0009-7DOI Listing
December 2007

Testing for neuropsychological endophenotypes in siblings discordant for attention-deficit/hyperactivity disorder.

Biol Psychiatry 2007 Nov 22;62(9):991-8. Epub 2007 Jun 22.

Department of Psychology, University of Colorado, Boulder, Colorado, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.biopsych.2007.04.003DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2687149PMC
November 2007

Greater attention problems during childhood predict poorer executive functioning in late adolescence.

Psychol Sci 2007 Oct;18(10):893-900

Institute for Behavioral Genetics, 447 UCB, University of Colorado, Boulder, CO 80309, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1111/j.1467-9280.2007.01997.xDOI Listing
October 2007

Understanding comorbidity: a twin study of reading disability and attention-deficit/hyperactivity disorder.

Am J Med Genet B Neuropsychiatr Genet 2007 Sep;144B(6):709-14

University of Colorado at Boulder, Boulder, Colorado 80309, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/ajmg.b.30310DOI Listing
September 2007

Modeling rater disagreement for ADHD: are parents or teachers biased?

J Abnorm Child Psychol 2007 Aug 27;35(4):536-42. Epub 2007 Feb 27.

Department of Psychiatry, University of Colorado at Denver and Health Sciences Center, 4200 East 9th Ave., Box C-268-35, Denver, CO 80262, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10802-007-9110-yDOI Listing
August 2007

Processing speed deficits in attention deficit/hyperactivity disorder and reading disability.

J Abnorm Child Psychol 2006 Oct;34(5):585-602

Department of Psychology, University of Denver, Denver, Colorado, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10802-006-9037-8DOI Listing
October 2006

Collaborative analysis of DRD4 and DAT genotypes in population-defined ADHD subtypes.

J Child Psychol Psychiatry 2005 Oct;46(10):1067-73

Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri 63110, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1111/j.1469-7610.2005.01517.xDOI Listing
October 2005

Testing hypotheses regarding the causes of comorbidity: examining the underlying deficits of comorbid disorders.

J Abnorm Psychol 2005 Aug;114(3):346-62

Department of Psychology, University of Colorado, Boulder, CO 80309, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1037/0021-843X.114.3.346DOI Listing
August 2005

Causal heterogeneity in attention-deficit/hyperactivity disorder: do we need neuropsychologically impaired subtypes?

Biol Psychiatry 2005 Jun;57(11):1224-30

Department of Psychology, Michigan State University, East Lansing, Michigan 48824, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.biopsych.2004.08.025DOI Listing
June 2005

Attention-deficit/hyperactivity disorder endophenotypes.

Biol Psychiatry 2005 Jun;57(11):1324-35

Department of Psychiatry, Harvard Medical School, Boston, Massachusetts, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.biopsych.2005.03.015DOI Listing
June 2005

Validity of the executive function theory of attention-deficit/hyperactivity disorder: a meta-analytic review.

Biol Psychiatry 2005 Jun;57(11):1336-46

Department of Psychology, University of Colorado, Boulder, Colorado 80309, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.biopsych.2005.02.006DOI Listing
June 2005

The relation between sluggish cognitive tempo and DSM-IV ADHD.

J Abnorm Child Psychol 2004 Oct;32(5):491-503

Institute for Behavioral Genetics and Department of Psychology, University of Colorado at Boulder, Boulder, Colorado 80309-0447, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1023/b:jacp.0000037779.85211.29DOI Listing
October 2004

Etiology of the comorbidity between RD and ADHD: exploration of the non-random mating hypothesis.

Am J Med Genet B Neuropsychiatr Genet 2003 Jul;120B(1):109-15

Department of Psychology, University of Denver, Denver, Colorado 80208, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/ajmg.b.20029DOI Listing
July 2003

Quantitative trait locus for reading disability on chromosome 6p is pleiotropic for attention-deficit/hyperactivity disorder.

Am J Med Genet 2002 Apr;114(3):260-8

Institute for Behavioral Genetics, University of Colorado, Boulder, Colorado 80309, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/ajmg.10205DOI Listing
April 2002