Related Experiment Video

Updated: Sep 26, 2026

Using Brain Activation (nir-HEG/Q-EEG) and Execution Measures (CPTs) in a ADHD Assessment Protocol
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Using Brain Activation (nir-HEG/Q-EEG) and Execution Measures (CPTs) in a ADHD Assessment Protocol

Published on: April 1, 2018

[Evoked potentials and the mode of cognitive development in boys 6 to 8 years of age presenting hyperactivity with

P Robaye1, M Dugas, F Breton

  • 1CNRS-URA 654, LENA, hôpital de la Salpêtrière, Paris, France.

Neurophysiologie Clinique = Clinical Neurophysiology
|April 1, 1990
PubMed

Insights

Children with attention deficit hyperactivity disorder (ADHD) showed distinct event-related potential patterns, specifically a larger P250 amplitude, compared to controls. Age-related differences in P350 latency were also observed, differing between groups and stimulus types.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Cognitive Science

Context:

  • Event-related potentials (ERPs) offer insights into neural processing.
  • Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder affecting attention and behavior.
  • Childhood cognitive development involves distinct stages of information processing.

Purpose:

  • To investigate differences in event-related potentials (ERPs) between children with ADHD and typically developing controls.
  • To examine how different visual stimuli (pictures, words, figures, digits) affect ERPs in these groups.
  • To explore age-related changes in ERPs and their relationship to cognitive development.

Summary:

  • ERPs, specifically fronto-central P250 and parieto-occipital P350, were recorded during categorization tasks in 12 male children (6-8 years) with ADHD and 12 controls.
  • The ADHD group exhibited a larger overall P250 amplitude.
  • While P350 latency decreased with age in controls, with specific differences noted for word vs. picture stimuli in the left hemisphere, this pattern was absent in the ADHD group.

Impact:

  • Findings suggest altered neural processing and orienting reactions in children with ADHD.
  • The study highlights potential differences in cognitive development modes between ADHD and control groups.
  • Results contribute to understanding the neurophysiological underpinnings of ADHD and its developmental trajectory.

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