ERIC Number: EJ796470
Record Type: Journal
Publication Date: 2008-Jul
Reference Count: 0
Response Style Differences in the Inattentive and Combined Subtypes of Attention-Deficit/Hyperactivity Disorder
Derefinko, Karen J.; Adams, Zachary W.; Milich, Richard; Fillmore, Mark T.; Lorch, Elizabeth P.; Lynam, Donald R.
Journal of Abnormal Child Psychology, v36 n5 p745-758 Jul 2008
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.
Descriptors: Children, Attention, Attention Deficit Disorders, Hyperactivity, Reaction Time, Inhibition, Conceptual Tempo
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Authoring Institution: N/A