The role of spatial attention in the processing of facial expression: An ERP study of rapid brain responses to six basic emotions



To investigate the time course of emotional expression processing, we recorded ERP responses to stimulus arrays containing neutral versus angry, disgusted, fearful, happy, sad, or surprised faces. In one half of the experiment, the task was to discriminate emotional and neutral facial expressions. Here, an enhanced early frontocentral positivity was elicited in response to emotional as opposed to neutral faces, followed by a broadly distributed positivity and an enhanced negativity at lateral posterior sites. These emotional expression effects were very similar for all six basic emotional expressions. In the other half of the experiment, attention was directed away from the faces toward a demanding perceptual discrimination task. Under these conditions, emotional expression effects were completely eliminated, demonstrating that brain processes involved in the detection and analysis of facial expression require focal attention. The face-specific N170 component was unaffected by any emotional expression, supporting the hypothesis that structural encoding and expression analysis are independent processes.


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Copyright information

© Psychonomic Society, Inc. 2003

Authors and Affiliations

  • Martin Eimer
    • 1
  • Amanda Holmes
    • 1
  • Francis P. McGlone
    • 2
  1. 1.Department of Psychology, Birkbeck CollegeUniversity of LondonLondonEngland
  2. 2.Port Sunlight LaboratoriesUnilever ResearchWirralEngland

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