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Luman, Marjolein; van Noesel, Steffen J. P.; Papanikolau, Alky; Van Oostenbruggen-Scheffer, Janneke; Veugelers, Diane; Sergeant, Joseph A.; Oosterlaan, Jaap – Journal of Abnormal Child Psychology, 2009
This study compared children with ADHD-only, ADHD+ODD and normal controls (age 8-12) on three key neurocognitive functions: response inhibition, reinforcement sensitivity, and temporal information processing. The goal was twofold: (a) to investigate neurocognitive impairments in children with ADHD-only and children with ADHD+ODD, and (b) to test…
Descriptors: Attention Deficit Disorders, Inhibition, Rewards, Cognitive Processes
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Rommelse, Nanda N. J.; Altink, Marieke E.; Fliers, Ellen A.; Martin, Neilson C.; Buschgens, Cathelijne J. M.; Hartman, Catharina A.; Buitelaar, Jan K.; Faraone, Stephen V.; Sergeant, Joseph A.; Oosterlaan, Jaap – Journal of Abnormal Child Psychology, 2009
We aimed to assess which comorbid problems (oppositional defiant behaviors, anxiety, autistic traits, motor coordination problems, and reading problems) were most associated with Attention-Deficit/Hyperactivity Disorder (ADHD); to determine whether these comorbid problems shared executive and motor problems on an endophenotype level with ADHD; and…
Descriptors: Behavior Problems, Siblings, Hyperactivity, Anxiety
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Geurts, Hilde M.; Verte, Sylvie; Oosterlaan, Jaap; Roeyers, Herbert; Sergeant, Joseph A. – Journal of Child Psychology and Psychiatry, 2004
Background: The objective of this study is to identify intact and deficient cognitive processes in children with attention deficit hyperactivity disorder (ADHD) and children with high functioning autism (HFA). Method: Three rigorously diagnosed groups of children aged between 6 and 12 years (54 ADHD, 41 HFA, and 41 normal controls) were tested on…
Descriptors: Attention Deficit Hyperactivity Disorder, Autism, Short Term Memory, Cognitive Processes