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Event Related Potentials (ERPs) and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder (ADHD)
10:02

Event Related Potentials (ERPs) and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder (ADHD)

Published on: March 12, 2020

Infant brain structures, executive function, and attention deficit/hyperactivity problems at preschool age. A

Akhgar Ghassabian1, Catherine M Herba, Sabine J Roza

  • 1The Generation R Study Group, Erasmus MC Department of Child and Adolescent Psychiatry, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands.

Journal of Child Psychology and Psychiatry, and Allied Disciplines
|August 30, 2012
PubMed

Insights

Infant brain structure, specifically corpus callosum length, is linked to later executive function deficits in inhibition and emotional control. However, early brain variations did not predict attention deficit/hyperactivity disorder symptoms in this population study.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Pediatrics

Background:

  • Neuroimaging studies suggest brain structure variations are linked to attention deficit/hyperactivity disorder (ADHD).
  • Existing longitudinal research often focuses on diagnosed children, limiting understanding of early predictors.
  • This population-based study investigates prospective associations between infant brain structure and later executive function and ADHD-related problems.

Purpose of the Study:

  • To examine the relationship between infant brain structure and preschool-age executive function.
  • To determine if early brain variations predict attention deficit/hyperactivity problems.
  • To identify specific executive function domains affected by early brain development.

Main Methods:

  • Cranial ultrasounds measured corpus callosum length, gangliothalamic ovoid diameter, and ventricular volume in 784 infants.
  • Executive functioning was assessed at age 4 using the Behavior Rating Inventory of Executive Function-Preschool Version.
  • Attention deficit/hyperactivity problems were rated at ages 3 and 5 using the Child Behavior Checklist.

Main Results:

  • Smaller infant corpus callosum length correlated with greater executive function deficits at age 4, particularly in inhibition and emotional control.
  • Infant corpus callosum length did not predict attention deficit/hyperactivity problems at ages 3 and 5.
  • No association was found between gangliothalamic ovoid diameter and executive function or attention deficit/hyperactivity problems.

Conclusions:

  • Early detectable brain structure variations, like corpus callosum length, may indicate subtle impairments in inhibition and emotional control.
  • This study did not find evidence that early structural brain variations precede ADHD symptoms in a general population.
  • Further research is needed to fully understand the early neurobiological underpinnings of ADHD.
Abstract

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