Response style differences in the inattentive and combined subtypes of attention-deficit/hyperactivity disorder

Karen Derefinko, Zachary W. Adams, Richard Milich, Mark T. Fillmore, Elizabeth P. Lorch, Donald R. Lynam

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

This study examined potential differences between the inattentive and combined ADHD subtypes using laboratory tasks assessing behavioral inhibitory processes. Seventy-five children completed two tasks of behavioral inhibition believed to isolate different processes: the cued reaction time task (CRT), a basic inhibition task, and the go/no-go task (GNG), a complex inhibition task that incorporates motivational contingencies. Three groups of participants were identified, including ADHD/Inattentive (n = 17), ADHD/Combined (n = 37), and comparison (n = 21). Results indicated that rather than showing behavioral inhibition deficits, the ADHD/I children appeared overly inhibited, as evidenced by slower reaction times across the two tasks and significantly higher errors of omission in the GNG task. Additionally, the ADHD/I children did not demonstrate cue dependency effects on the CRT task, suggesting that they were failing to incorporate relevant information before making a response. The sluggish and inhibited performance of the ADHD/I group challenges the idea that it is a subtype of ADHD.

Original languageEnglish (US)
Pages (from-to)745-758
Number of pages14
JournalJournal of Abnormal Child Psychology
Volume36
Issue number5
DOIs
StatePublished - Jul 1 2008

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Attention Deficit Disorder with Hyperactivity
Reaction Time
Cues
Inhibition (Psychology)

All Science Journal Classification (ASJC) codes

  • Developmental and Educational Psychology
  • Psychiatry and Mental health

Cite this

Response style differences in the inattentive and combined subtypes of attention-deficit/hyperactivity disorder. / Derefinko, Karen; Adams, Zachary W.; Milich, Richard; Fillmore, Mark T.; Lorch, Elizabeth P.; Lynam, Donald R.

In: Journal of Abnormal Child Psychology, Vol. 36, No. 5, 01.07.2008, p. 745-758.

Research output: Contribution to journalArticle

Derefinko, Karen ; Adams, Zachary W. ; Milich, Richard ; Fillmore, Mark T. ; Lorch, Elizabeth P. ; Lynam, Donald R. / Response style differences in the inattentive and combined subtypes of attention-deficit/hyperactivity disorder. In: Journal of Abnormal Child Psychology. 2008 ; Vol. 36, No. 5. pp. 745-758.
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