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Banaschewski, Tobias; Jennen-Steinmetz, Christine; Brandeis, Daniel; Buitelaar, Jan K.; Kuntsi, Jonna; Poustka, Luise; Sergeant, Joseph A.; Sonuga-Barke, Edmund J.; Frazier-Wood, Alexis C.; Albrecht, Bjorn; Chen, Wai; Uebel, Henrik; Schlotz, Wolff; van der Meere, Jaap J.; Gill, Michael; Manor, Iris; Miranda, Ana; Mulas, Fernando; Oades, Robert D.; Roeyers, Herbert; Rothenberger, Aribert; Steinhausen, Hans-Christoph; Faraone, Stephen V.; Asherson, Philip – Journal of Child Psychology and Psychiatry, 2012
Background: Emotional lability (EL) is commonly seen in patients with attention-deficit/hyperactivity disorder (ADHD). The reasons for this association remain currently unknown. To address this question, we examined the relationship between ADHD and EL symptoms, and performance on a range of neuropsychological tasks to clarify whether EL symptoms…
Descriptors: Attention Deficit Hyperactivity Disorder, Siblings, Severity (of Disability), Patients
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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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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
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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