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| Research article summary (published 30 Oct 2005): |
Executive functions and ADHD in adults: evidence for selective effects on ADHD symptom domains.
Full Abstract
Dual-process models of attention-deficit/hyperactivity disorder (ADHD) suggest that both executive functioning and regulatory functions (e.g., processing speed) are involved and that executive function weaknesses may be associated specifically with symptoms of inattention-disorganization but not hyperactivity-impulsivity. Adults aged 18-37 (105 with ADHD, 90 controls) completed a neuropsychological battery. The ADHD group had weaker performance than did the control group (p<.01) on both executive and speed measures. Symptoms of inattention-disorganization were uniquely related to executive functioning with hyperactivity-impulsivity controlled. Inattention was associated with slower response speed, and hyperactivity-impulsivity with faster output speed. Results were not accounted for by IQ, age, gender, education level, or comorbid disorders. Findings are discussed in terms of developmental and dual-process models of ADHD leading into adulthood. Copyright (c) 2005 APA, all rights reserved.
Author information
Author/s: Nigg, Joel T (JT); Stavro, Gillian (G); Ettenhofer, Mark (M); Hambrick, David Z (DZ); Miller, Torri (T); Henderson, John M (JM);
Affiliation: Department of Psychology, Michigan State University, East Lansing, MI 48824-1116, USA. nigg(-atsign-)msu.edu
Grants: R01-MH63146 (Agency:NIMH NIH HHS)
Journal and publication information
Publication Type: Journal Article; Research Support, N.I.H., Extramural
Journal: Journal of abnormal psychology (J Abnorm Psychol), published in United States. (Language: eng)
Reference: 2005-Nov; vol 114 (issue 4) : pp 706-17
Dates: Created 2005/12/14; Completed 2006/03/07; Revised 2007/11/14;
PMID: 16351391, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: )
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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