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Delay and reward choice in ADHD : an experimental test of the role of delay aversion

Marco, Rafaela and Miranda, Ana and Schlotz, Wolff and Melia, Amanda and Mulligan, Aisling and Müller, Ueli and Andreou, Penny and Butler, Louise and Christiansen, Hanna and Gabriels, Isabel and Medad, Sheera and Albrecht, Bjorn and Uebel, Henrik and Asherson, Phillip and Banaschewski, Tobias and Gill, Michael and Kuntsi, Jonna and Mulas, Fernando and Oades, Robert and Roeyers, Herbert and Steinhausen, Hans-Christoph and Rothenberger, Aribert and Faraone, Stephen V. and Sonuga-Barke, Edmund J. S.. (2009) Delay and reward choice in ADHD : an experimental test of the role of delay aversion. Neuropsychology, Vol. 23, H. 3. pp. 367-380.

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Official URL: http://edoc.unibas.ch/dok/A5250657

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Abstract

Children with attention deficit/hyperactivity disorder (ADHD) choose smaller sooner (SS) over larger later (LL) rewards more than controls. Here we assess the contributions of impulsive drive for immediate rewards (IDIR) and delay aversion (DAv) to this pattern. We also explore the characteristics of, and the degree of familiality in, ADHD SS responders. We had 360 ADHD probands; 349 siblings and 112 controls (aged between 6 to 17 years) chose between SS (1 point after 2 s) and LL reward (2 points after 30 s) outcomes on the Maudsley Index of Delay Aversion (Kuntsi, Oosterlaan, & Stevenson, 2001): Under one condition SS choice led to less overall trial delay under another it did not. ADHD participants chose SS more than controls under both conditions. This effect was larger when SS choice reduced trial delay. ADHD SS responders were younger, had lower IQ, more conduct disorder and had siblings who were more likely to be SS responders themselves. The results support a dual component model in which both IDIR and DAv contribute to SS choice in ADHD. SS choice may be a marker of an ADHD motivational subtype.
Faculties and Departments:07 Faculty of Psychology > Departement Psychologie > Ehemalige Einheiten Psychologie > Clinical Child and Adolescent Psychology (Schneider)
UniBasel Contributors:Steinhausen, Hans-Christoph
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Psychological Association
ISSN:0894-4105
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:24
Deposited On:22 Mar 2012 13:42

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