Cognitive inhibition and working memory in attention-deficit/hyperactivity disorder

Engelhardt, Paul, Nigg, Joel T., Carr, Laurie and Ferreira, Fernanda (2008) Cognitive inhibition and working memory in attention-deficit/hyperactivity disorder. Journal of Abnormal Psychology, 117 (3). pp. 591-605. ISSN 1939-1846

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Studies of cognitive control in attention-deficit/hyperactivity disorder (ADHD) have emphasized the ability to suppress motor responses (i.e., behavioral inhibition) rather than the ability to actively suppress prepotent mental representations (i.e., cognitive inhibition). Further, working memory deficits are suspected in ADHD, yet their distinction from cognitive inhibition is unclear. Two hundred and eighty-eight adolescent and adult participants, 115 of whom met criteria for ADHD and 173 of whom were for non-ADHD comparison, completed a sentence processing task that required the suppression of an incorrect interpretation and a working memory task. The results failed to support cognitive inhibition problems in ADHD. Moreover, the ability to reanalyze sentences with a temporary misinterpretation was at least partially related to working memory performance. The results challenge a unitary inhibition problem in ADHD and suggest inhibition problems do not extend to cognitive suppression in this age range.

Item Type: Article
Subjects: C800 Psychology
Department: Faculties > Health and Life Sciences > Psychology
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Depositing User: EPrint Services
Date Deposited: 28 Feb 2011 17:03
Last Modified: 24 Oct 2017 11:35

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