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Luman, Marjolein; Oosterlaan, Jaap; Sergeant, Joseph A. – Journal of Abnormal Child Psychology, 2008
The present study investigated the impact of reinforcement valence and magnitude on response timing in children with ADHD. Children were required to estimate a 1-s interval, and both the median response time (response tendency) and the intrasubject-variability (response stability) were investigated. In addition, heart rate and skin conductance…
Descriptors: Metabolism, Reaction Time, Attention Deficit Disorders, Feedback (Response)
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Faraone, Stephen V.; Wigal, Sharon B.; Hodgkins, Paul – Journal of Attention Disorders, 2007
Objective: Compare observed and forecasted efficacy of mixed amphetamine salts extended release (MAS-XR; Adderall) with atomoxetine (Strattera) in ADHD children. Method: The authors analyze data from a randomized, double-blind, multicenter, parallel-group, forced-dose-escalation laboratory school study of children ages 6 to 12 with ADHD combined…
Descriptors: Laboratory Schools, Attention Deficit Disorders, Symptoms (Individual Disorders), Hyperactivity
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Heiser, Philip; Heinzel-Gutenbrunner, Monika; Frey, Joachim; Smidt, Judith; Grabarkiewicz, Justyna; Friedel, Susann; Kuhnau, Wolfgang; Schmidtke, Jorg; Remschmidt, Helmut; Hebebrand, Johannes – Journal of Attention Disorders, 2006
Objective: The purpose of this study was to assess heritability of activity, attention, and impulsivity by comparing young monozygotic (MZ) twins with dizygotic (DZ) twins using objective measures. Method: The OPTAx test is an infrared motion analysis to record the movement pattern during a continuous performance test. Seventeen MZ and 12 same…
Descriptors: Conceptual Tempo, Twins, Behavior Problems, Performance Tests
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Miller, Carlin J.; Marks, David J.; Halperin, Jeffrey M. – Journal of Attention Disorders, 2005
Premorbid intellectual function estimation is a crucial part of patient evaluation following a traumatic brain injury (TBI), especially in individuals with ADHD who are at higher risk for TBI compared to their non-ADHD peers. This study investigates the value of using regression-based estimates of intelligence for concurrently predicting measured…
Descriptors: Intelligence Quotient, Attention Deficit Disorders, Late Adolescents, Cognitive Ability