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Woicik, Patricia A.; Urban, Catherine; Alia-Klein, Nelly; Henry, Ashley; Maloney, Thomas; Telang, Frank; Wang, Gene-Jack; Volkow, Nora D.; Goldstein, Rita Z. – Neuropsychologia, 2011
The ability to adapt behavior in a changing environment is necessary for humans to achieve their goals and can be measured in the lab with tests of rule-based switching. Disease models, such as cocaine addiction, have revealed that alterations in dopamine interfere with adaptive set switching, culminating in perseveration. We explore perseverative…
Descriptors: Cocaine, Addictive Behavior, Persistence, Drug Abuse
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Mullane, Jennifer C.; Corkum, Penny V. – Journal of Psychoeducational Assessment, 2007
The Wisconsin Card Sorting Test (WCST) has frequently been used to assess executive functions in children with attention deficit hyperactivity disorder (ADHD). We first compared the performance of 15 children with ADHD to 15 children of a control group (age range 6 to 11) on the WCST and then examined the relationship among working memory,…
Descriptors: Hyperactivity, Attention Deficit Disorders, Intelligence Quotient, Inhibition