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An Examination of the Relationship between Motor Coordination and Executive Functions in Adolescents
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Rigoli, Daniela; Piek, Jan P.; Kane, Robert; Oosterlaan, Jaap – Developmental Medicine & Child Neurology, 2012
Aim: Research suggests important links between motor coordination and executive functions. The current study examined whether motor coordination predicts working memory, inhibition, and switching performance, extending previous research by accounting for attention-deficit-hyperactivity disorder (ADHD) symptomatology and other confounding factors,…
Descriptors: Intelligence, Learning Disabilities, Adolescents, Inhibition
Comorbid Problems in ADHD: Degree of Association, Shared Endophenotypes, and Formation of Distinct Subtypes. Implications for a Future "DSM"
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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
The Role of Double Dissociation Studies in the Search for Candidate Endophenotypes for the Comorbidity of Attention Deficit Hyperactivity Disorder and Reading Disability
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de Jong, Christien G. W.; Oosterlaan, Jaap; Sergeant, Joseph A. – International Journal of Disability, Development & Education, 2006
The neuropsychological underpinnings of Attention Deficit Hyperactivity Disorder (ADHD) and Reading Disability (RD) and their comorbidity may be studied usefully with the double dissociation design. The results of studies using the double dissociation method may be linked to the search for an endophenotype of ADHD and RD and their comorbidity.…
Descriptors: Hyperactivity, Attention Deficit Disorders, Reading Difficulties, Learning Disabilities
Executive Functioning in Children with an Autism Spectrum Disorder: Can We Differentiate within the Spectrum?
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Verte, Sylvie; Geurts, Hilde M.; Roeyers, Herbert; Oosterlaan, Jaap; Sergeant, Joseph A. – Journal of Autism and Developmental Disorders, 2006
The aim of this study was to investigate whether children with high-functioning autism (HFA), Asperger's syndrome (AS), and pervasive developmental disorder not otherwise specified (PDDNOS) can be differentiated from each other and from normal controls on their neurocognitive executive functioning (EF) profile. Children with HFA and AS showed the…
Descriptors: Children, Pervasive Developmental Disorders, Control Groups, Comparative Analysis