Frontal EEG asymmetry as a moderator and mediator of emotion

James A. Coan, John J.B. Allen

Research output: Contribution to journalReview articlepeer-review

1058 Scopus citations


Frontal EEG asymmetry appears to serve as (1) an individual difference variable related to emotional responding and emotional disorders, and (2) a state-dependent concomitant of emotional responding. Such findings, highlighted in this review, suggest that frontal EEG asymmetry may serve as both a moderator and a mediator of emotion- and motivation-related constructs. Unequivocal evidence supporting frontal EEG asymmetry as a moderator and/or mediator of emotion is lacking, as insufficient attention has been given to analyzing the frontal EEG asymmetries in terms of moderators and mediators. The present report reviews the frontal EEG asymmetry literature from the framework of moderators and mediators, and overviews data analytic strategies that would support claims of moderation and mediation.

Original languageEnglish (US)
Pages (from-to)7-50
Number of pages44
JournalBiological Psychology
Issue number1-2
StatePublished - Oct 2004


  • Emotion
  • Frontal EEG Asymmetry
  • Mediators
  • Moderators

ASJC Scopus subject areas

  • General Neuroscience
  • Neuropsychology and Physiological Psychology


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