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- Title
Modulation of working memory in ADHD, effects of reinforcement intensity and form.
- Authors
Dovis, Sebastiaan; van der Oord, Saskia; Wiers, Reinout; Prins, Pier
- Abstract
Problems children with ADHD experience are thought to be the result of deficits in executive functioning (EF). Spatial central executive working memory (SCE WM) has been demonstrated to be the most impaired EF in these children. Reinforcement models suggest that the poor performance of children with ADHD on EF measures is not due to an underlying EF deficit, but is caused by an altered reinforcement sensitivity. However, studies that examine this altered reinforcement sensitivity in children with ADHD show inconsistent results. These inconsistent findings may be related to the heterogeneity in the reinforcement conditions of these studies (different intensities and forms of reinforcement) [1, 2]. The present study investigates the effects of different intensities and forms of reinforcement on the SCE WM of 48 ADHD children and 48 controls aged 9–12 years. For this we use a new SCE WM task in four reinforcement conditions (feedback-only, a small amount of money (1 €), a large amount of money (10 €), and a computer game version of the task). Preliminary results of this study will be presented and implications will be discussed.
- Publication
European Child & Adolescent Psychiatry, 2010, Vol 19, pS50
- ISSN
1018-8827
- Publication type
Article
- DOI
10.1007/s00787-010-0117-5