title: Children With ADHD Show Impairments in Multiple Stages of Information Processing in a Stroop Task: An ERP Study.
abstract: This study investigated the role of impaired inhibitory control as a factor underlying attention deficit hyperactivity disorder (ADHD). Children with ADHD and typically developing children completed an animal Stroop task while electroencephalogram (EEG) was recorded. The lateralized readiness potential and event-related brain potentials associated with perceptual and conflict processing were analyzed. Children with ADHD were slower to give correct responses irrespective of congruency, and slower to prepare correct responses in the incongruent condition. This delay could result from enhanced effort allocation at earlier processing stages, indicated by differences in P1, N1, and conflict sustained potential. Results suggest multiple deficits in information processing rather than a specific response inhibition impairment.
authors.affiliation: a Brain Imaging Centre, Research Centre for Natural Sciences , Hungarian Academy of Sciences , Budapest , Hungary.|b Institute of Psychology , Eötvös Loránd University , Budapest , Hungary.
authors.forename: Andrea
authors.initials: A
authors.lastname: Kóbor
authors.affiliation: b Institute of Psychology , Eötvös Loránd University , Budapest , Hungary.
authors.forename: Ádám
authors.initials: Á
authors.lastname: Takács
authors.affiliation: c Department of Psychology , University of Tübingen , Tübingen , Germany.
authors.forename: Donna
authors.initials: D
authors.lastname: Bryce
authors.affiliation: d Centre for Neuroscience in Education, Department of Psychology , University of Cambridge , Cambridge , United Kingdom.
authors.forename: Dénes
authors.initials: D
authors.lastname: Szűcs
authors.affiliation: a Brain Imaging Centre, Research Centre for Natural Sciences , Hungarian Academy of Sciences , Budapest , Hungary.|b Institute of Psychology , Eötvös Loránd University , Budapest , Hungary.
authors.forename: Ferenc
authors.initials: F
authors.lastname: Honbolygó
authors.affiliation: e Vadaskert Child Psychiatry Hospital , Budapest , Hungary.
authors.forename: Péter
authors.initials: P
authors.lastname: Nagy
authors.affiliation: a Brain Imaging Centre, Research Centre for Natural Sciences , Hungarian Academy of Sciences , Budapest , Hungary.|f Department of Cognitive Science , Budapest University of Technology and Economics , Budapest , Hungary.
authors.forename: Valéria
authors.initials: V
authors.lastname: Csépe
mesh_terms: D000293:Adolescent; D001289:Attention Deficit Disorder with Hyperactivity / Q000503:physiopathology*; D001921:Brain; D001931:Brain Mapping; D002648:Child; D003265:Contingent Negative Variation / Q000502:physiology*; D004569:Electroencephalography / Q000379:methods; D018913:Event-Related Potentials, P300 / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D008606:Mental Processes / Q000502:physiology*; D009483:Neuropsychological Tests; D011930:Reaction Time / Q000502:physiology