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Voluntary facial expression and hemispheric asymmetry over the frontal cortex

COAN, JAMES A. ; ALLEN, JOHN J.B. ; HARMON-JONES, EDDIE

Psychophysiology, 2001-11, Vol.38 (6), p.912-925 [Periódico revisado por pares]

Oxford, UK: Cambridge University Press

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Título:
Voluntary facial expression and hemispheric asymmetry over the frontal cortex
Autor: COAN, JAMES A. ; ALLEN, JOHN J.B. ; HARMON-JONES, EDDIE
Assuntos: Adult ; Approach/withdrawal ; Behavioral psychophysiology ; Biological and medical sciences ; Electroencephalography ; Electromyography ; Electrophysiology ; Emotion ; Facial Expression ; Facial Muscles - physiology ; Female ; Frontal cortex ; Functional Laterality - physiology ; Fundamental and applied biological sciences. Psychology ; Hemispheric asymmetry ; Humans ; Male ; Prefrontal Cortex - physiology ; Psychology. Psychoanalysis. Psychiatry ; Psychology. Psychophysiology ; Voluntary facial movement
É parte de: Psychophysiology, 2001-11, Vol.38 (6), p.912-925
Notas: istex:F1D37BC6FDCC3C1365F88EEB009D2DA803819760
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Descrição: Brain activity was monitored while 36 participants produced facial configurations denoting anger, disgust, fear, joy, and sadness. EEG alpha power was analyzed during each facial pose, with facial conditions grouped according to the approach/withdrawal motivational model of emotion. This model suggests that “approach” emotions are associated with relatively greater left frontal brain activity whereas “withdrawal” emotions are associated with relatively greater right frontal brain activity. In the context of a bilateral decrease in activation, facial poses of emotions in the withdrawal condition resulted in relatively less left frontal activation in the lateral-frontal, midfrontal and frontal-temporal-central region, but not in the parietal region, as predicted. Findings in the approach condition were less consistently supportive of predictions of the approach/withdrawal model. Implications for the approach/withdrawal model and for the emotion eliciting potential of voluntary facial movement are discussed.
Editor: Oxford, UK: Cambridge University Press
Idioma: Inglês

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Voluntary facial expression and hemispheric asymmetry over the frontal cortex

COAN, JAMES A. ; ALLEN, JOHN J.B. ; HARMON-JONES, EDDIE

Oxford, UK: Cambridge University Press

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