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| Research article summary (published 30 May 2003): |
Time reproduction in children with ADHD: motivation matters.
Full Abstract
The primary goal of this study was to examine whether children with ADHD have a true deficit in subjective time sense, or whether their impairment reflects a motivational deficit. Thirty children with ADHD and 30 matched control children completed two versions of a time reproduction paradigm ("Regular" and "Enhanced") in which motivational level was manipulated by the addition of positive sham feedback and the prospect of earning a reward. A secondary goal was to investigate performance on measures of working memory and behavioural inhibition, and how those constructs relate to time reproduction in the context of Barkley's (1997a) model of ADHD. Children with ADHD performed significantly better on the motivating 'Enhanced' versus the Regular time reproduction paradigm, although they continued to perform significantly worse than controls on both tasks. Control children exhibited no reliable change in performance between versions of the task. Significant group differences were also observed on the working memory and behavioural inhibition tasks. We discuss the impact of motivation, working memory, and behavioural inhibition on time reproduction performance.
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Author information
Author/s: McInerney, Robert J (RJ); Kerns, Kimberly A (KA);
Affiliation: Department of Psychology, University of Victoria, Victoria, BC, Canada. robertm(-atsign-)uvic.ca
Journal and publication information
Publication Type: Journal Article
Journal: Child neuropsychology : a journal on normal and abnormal development in childhood and adolescence (Child Neuropsychol), published in Netherlands. (Language: eng)
Reference: 2003-Jun; vol 9 (issue 2) : pp 91-108
Dates: Created 2003/06/19; Completed 2003/08/19; Revised 2006/03/16;
PMID: 12815512, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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