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Schizophrenic patients show facial reactions to emotional facial expressions

Published online by Cambridge University Press:  01 March 1999

ANN M. KRING ,
SANDRA L. KERR  and
KELLY S. EARNST
ANN M. KRING
Affiliation:
Department of Psychology, Vanderbilt University, Nashville, TN, USA
SANDRA L. KERR
Affiliation:
Department of Psychology, West Chester University, West Chester, PA, USA
KELLY S. EARNST
Affiliation:
Department of Psychology, Vanderbilt University, Nashville, TN, USA
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Abstract

Facial reactions in schizophrenic patients were assessed via electromyography (EMG) in response to pictures of facial expressions. Male patients and nonpatient controls viewed photographs of positive and negative facial expressions while EMG activity from the corrugator and zygomatic muscle regions was recorded. Both schizophrenic patients and controls exhibited greater zygomatic reactivity in response to positive pictures than in response to negative pictures and greater corrugator reactivity in response to negative pictures than in response to positive pictures. Schizophrenic patients exhibited greater corrugator reactivity than did nonpatient controls. Implications for understanding emotion expression and perception in schizophrenic patients are discussed.

Keywords

Facial expressionEmotion recognitionSchizophreniaEMG
Type
Research Article
Information
Psychophysiology , Volume 36 , Issue 2 , March 1999 , pp. 186 - 192
Copyright
1999 Society for Psychophysiological Research

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