Children With ADHD Show Impairments in Multiple Stages of Information Processing in a Stroop Task: An ERP Study

Andrea Kóbor, Ádám Takács, Donna Bryce, Dénes Szucs, Ferenc Honbolygó, Péter Nagy, Valéria Csépe

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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.

Original languageEnglish
Pages (from-to)329-347
Number of pages19
JournalDevelopmental Neuropsychology
Issue number6
Publication statusPublished - Aug 18 2015


ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Developmental and Educational Psychology

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