NDLI: ADHD and Behavioral Inhibition: A Re-examination of the Stop-signal Task

Content Provider	Springer Nature Link
Author	Alderson, R. Matt Rapport, Mark D. Sarver, Dustin E. Kofler, Michael J.
Copyright Year	2008
Abstract	The current study investigates two recently identified threats to the construct validity of behavioral inhibition as a core deficit of attention-deficit/hyperactivity disorder (ADHD) based on the stop-signal task: calculation of mean reaction time from go-trials presented adjacent to intermittent stop-trials, and non-reporting of the stop-signal delay metric. Children with ADHD (n = 12) and typically developing (TD) children (n = 11) were administered the standard stop-signal task and three variant stop-signal conditions. These included a no-tone condition administered without the presentation of an auditory tone; an ignore-tone condition that presented a neutral (i.e., not associated with stopping) auditory tone; and a second ignore-tone condition that presented a neutral auditory tone after the tone had been previously paired with stopping. Children with ADHD exhibited significantly slower and more variable reaction times to go-stimuli, and slower stop-signal reaction times relative to TD controls. Stop-signal delay was not significantly different between groups, and both groups’ go-trial reaction times slowed following meaningful tones. Collectively, these findings corroborate recent meta-analyses and indicate that previous findings of stop-signal performance deficits in ADHD reflect slower and more variable responding to visually presented stimuli and concurrent processing of a second stimulus, rather than deficits of motor behavioral inhibition.
Starting Page	989
Ending Page	998
Page Count	10
File Format	PDF
ISSN	00910627
Journal	Journal of Abnormal Child Psychology
Volume Number	36
Issue Number	7
e-ISSN	15732835
Language	English
Publisher	Springer US
Publisher Date	2008-05-07
Publisher Place	Boston
Access Restriction	Subscribed
Subject Keyword	Attention-deficit/hyperactivity disorder ADHD Behavioral inhibition Stop-signal task Child & School Psychology
Content Type	Text
Resource Type	Article
Subject	Developmental and Educational Psychology Psychiatry and Mental Health

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