Interaction of threat expressions and eye gaze: An event-related potential study

Jason S. Nomi, Candice Frances, Maia T. Nguyen, Stephanie Bastidas, Lucy J. Troup

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

The current study examined the interaction of fearful, angry, happy, and neutral expressions with left, straight, and right eye gaze directions. Human participants viewed faces consisting of various expression and eye gaze combinations while event-related potential (ERP) data were collected. The results showed that angry expressions modulated the mean amplitude of the P1, whereas fearful and happy expressions modulated the mean amplitude of the N170. No influence of eye gaze on mean amplitudes for the P1 and N170 emerged. Fearful, angry, and happy expressions began to interact with eye gaze to influence mean amplitudes in the time window of 200-400 ms. The results suggest early processing of expression influence ERPs independent of eye gaze, whereas expression and gaze interact to influence later ERPs.

Original languageEnglish (US)
Pages (from-to)813-817
Number of pages5
JournalNeuroreport
Volume24
Issue number14
DOIs
StatePublished - Aug 2 2013
Externally publishedYes

ASJC Scopus subject areas

  • Neuroscience(all)

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