Facial asymmetry while posing positive and negative emotions: Support for the right hemisphere hypothesis

The purpose of this report was to examine facial asymmetry during the expression of positive and negative emotions. In addition, methodological factors in the study of facial asymmetry were considered. Subjects were 16 neurologically-healthy right-handed adult males, videotaped while posing eight facial expressions (positive and negative) under two conditions (verbal command and visual imitation). Separate asymmetry ratings of the two sides of the face were made by judges viewing normal or mirror-reversed versions of the videotape. There were no effects of valence, condition, or videotape orientation on the asymmetry ratings, and, in general, expressions were produced significantly more intensely on the left than the right side of the face. This finding is consistent with the hypothesis that the right cerebral hemisphere is dominant for the expression of facial emotion of both valences.

[1]  S. Coren,et al.  A behaviorally validated self-report inventory to assess four types of lateral preference , 1979 .

[2]  R. Campbell,et al.  Asymmetries in moving faces. , 1982, British journal of psychology.

[3]  Marjorie Nicholas,et al.  The expression and perception of facial emotion in brain-damaged patients , 1986, Neuropsychologia.

[4]  D. Tucker.  Lateral brain function, emotion, and conceptualization. , 1981, Psychological bulletin.

[5]  Wendy Heller,et al.  Perception and expression of emotion in right-handers and left-handers , 1981, Neuropsychologia.

[6]  Marie T Banich,et al.  Asymmetry of perception in free viewing of chimeric faces , 1983, Brain and Cognition.

[7]  P. Stringer,et al.  Attributional asymmetries in the perception of moving, static, chimeric and hemisected faces , 1981 .

[8]  P. Ekman,et al.  The asymmetry of facial actions is inconsistent with models of hemispheric specialization. , 1985, Psychophysiology.

[9]  C. Izard.  The face of emotion , 1971 .

[10]  Edith Kaplan,et al.  Lateralized Asymmetries in Self-Perception , 1980, Cortex.

[11]  E. Koff,et al.  5 – Right Hemispheric Specialization for the Expression and Appreciation of Emotion: A Focus on the Face1 , 1983 .

[12]  Don M. Tucker,et al.  Asymmetry of Facial Expression in Spontaneous Emotion , 1984, Cortex.

[13]  R. G. Hunt,et al.  Social Class and Mental Illness , 1959 .

[14]  Joan C. Borod,et al.  Facedness and emotion related to lateral dominance, sex and expression type , 1980, Neuropsychologia.

[15]  P. Ekman.  Pictures of Facial Affect , 1976 .

[16]  Richard J. Davidson,et al.  Affect, cognition, and hemispheric specialization. , 1985 .

[17]  Jason W. Brown,et al.  Hypothesis on cerebral dominance , 1975, Neuropsychologia.

[18]  G. Schwartz,et al.  Laterlized facial muscle response to positive and negative emotional stimuli. , 1979, Psychophysiology.

[19]  Ruben C. Gur,et al.  Lateral asymmetry in intensity of emotional expression , 1978, Neuropsychologia.

[20]  SI Spinrad,et al.  Asymmetry in facial expression. , 1980, Science.