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Related Experiment Video

Updated: Jun 20, 2026

Cortical Source Analysis of High-Density EEG Recordings in Children
09:32

Cortical Source Analysis of High-Density EEG Recordings in Children

Published on: June 30, 2014

Caffeine affects children's ERPs and performance in an equiprobable go/no-go task: Testing a processing schema.

Robert J Barry1, Frances M De Blasio1, Jack S Fogarty1

  • 1Brain & Behaviour Research Institute and School of Psychology, University of Wollongong, Wollongong, New South Wales, Australia.

Psychophysiology
|January 19, 2019
PubMed
Summary
This summary is machine-generated.

Caffeine improved children's performance on a go/no-go task by enhancing specific brain responses. This stimulant selectively amplified cognitive control biomarkers in children aged 8-12 years.

Keywords:
caffeinechild processing schemacognitive control processesequiprobable go/no-go taskprincipal components analysis (PCA)

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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

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Developmental Psychology

Background:

  • The go/no-go task is a standard measure of inhibitory control.
  • Understanding cognitive processing stages in children is crucial for developmental research.
  • Caffeine is a known stimulant with potential effects on cognitive functions.

Purpose of the Study:

  • To investigate the effects of caffeine on cognitive processing in children using an auditory go/no-go task.
  • To test a proposed schema for children's processing stages by examining electroencephalography (EEG) event-related potential (ERP) components.
  • To determine if caffeine selectively enhances specific ERP components related to active cognitive control.

Main Methods:

  • A double-blind, placebo-controlled, cross-over study involving 24 children aged 8-12 years.
  • Administration of 80 mg caffeine or placebo on separate occasions.
  • Performance on an equiprobable auditory go/no-go task was recorded, along with ERP data.
  • Temporal principal component analysis (PCA) was used to analyze ERP data.

Main Results:

  • Caffeine significantly reduced reaction time and omission errors.
  • Caffeine enhanced specific ERP components, including Pn, N2c, and P3b for 'go' trials.
  • Caffeine also enhanced N1-1 and N2b components for 'no-go' trials.
  • The observed enhancements selectively matched predicted biomarkers of active control processing.

Conclusions:

  • Caffeine selectively enhances specific electroencephalography (EEG) event-related potential (ERP) components related to cognitive control in children.
  • The findings support a proposed schema for children's processing stages during the auditory go/no-go task.
  • Results suggest caffeine's potential role in modulating cognitive control mechanisms in pediatric populations, warranting further investigation and refinement of existing models.