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Examining Manual And Visual Response Inhibition Among Adhd Subtypes, Zachary W. Adams, Richard Milich, Mark T. Fillmore
Examining Manual And Visual Response Inhibition Among Adhd Subtypes, Zachary W. Adams, Richard Milich, Mark T. Fillmore
Psychology Faculty Publications
This study compared inhibitory functioning among ADHD subtype groups on manual and visual versions of the stop task. Seventy-six children, identified as ADHD/I (n = 16), ADHD/C (n =42), and comparison (n = 18) completed both tasks. Results indicated that both ADHD groups were slower to inhibit responses than the comparison group on both tasks. Comparison children were faster to inhibit than activate responses on both versions of the task. Children in the ADHD groups also demonstrated this robust pattern on the manual task. However, on the visual task, children in the ADHD groups evidenced slowed inhibition …
Response Style Differences In The Inattentive And Combined Subtypes Of Attention-Deficit/Hyperactivity Disorder, Karen J. Derefinko, Zachary W. Adams, Richard Milich, Mark T. Fillmore, Elizabeth P. Lorch, Donald R. Lynam
Response Style Differences In The Inattentive And Combined Subtypes Of Attention-Deficit/Hyperactivity Disorder, Karen J. Derefinko, Zachary W. Adams, Richard Milich, Mark T. Fillmore, Elizabeth P. Lorch, Donald R. Lynam
Psychology Faculty Publications
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 …