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Related Experiment Video

Updated: Jun 23, 2026

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

A simple classification tool for single-trial analysis of ERP components.

Christoph Bandt1, Mathias Weymar, Daniel Samaga

  • 1Institute of Mathematics, University of Greifswald, Greifswald, Germany. bandt@uni-greifswald.de

Psychophysiology
|April 24, 2009
PubMed
Summary

Event-related potentials (ERPs) analysis using discriminant analysis accurately classified trials. This method identified the P3 component and early ERP differences, improving target and non-target trial discrimination.

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Psychology

Background:

  • Event-related potentials (ERPs) are crucial for understanding neural processing.
  • The P3 component is a significant ERP marker, but its trial-by-trial contribution is complex.
  • Analyzing single ERP trials offers deeper insights than averaged data.

Purpose of the Study:

  • To investigate the contribution of single target trials to the average P3 component.
  • To determine if other ERP components can discriminate between target and non-target trials.
  • To apply discriminant analysis to single-trial ERP data.

Main Methods:

  • Dense sensor electroencephalography (EEG) recorded from eight healthy volunteers.
  • Visual oddball experiment to elicit ERPs.

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Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy
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Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy

Published on: January 11, 2016

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Last Updated: Jun 23, 2026

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

Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy
08:26

Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy

Published on: January 11, 2016

  • High-dimensional discriminant analysis applied to single ERP trials.

    • Main Results:

    • A common classification rule achieved 88% accuracy in classifying target and non-target trials across all participants.
    • Early ERP components over occipital sites showed significant differences in four participants.
    • Individual classification rules, using data up to 200 ms, achieved 85% accuracy on test data.

    Conclusions:

    • Discriminant analysis is effective for single-trial ERP analysis.
    • The P3 component and early occipital ERPs are sensitive to target detection.
    • This approach enhances the understanding of neural responses in cognitive tasks.