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Looking at the face and seeing the whole body: Neural basis of combined face and body expressions

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Abstract

In the natural world, faces are not isolated objects but are rather encountered in the context of the whole body. Previous work has studied the perception of combined faces and bodies using behavioural and electrophysiological measurements, but the neural correlates of emotional face-body perception still remain unexplored. Here, we combined happy and fearful faces and bodies to investigate the influence of body expressions on the neural processing of the face, the effect of emotional ambiguity between the two and the role of the amygdala in this process. Our fMRI analyses showed that the activity in motor, prefrontal and visual areas increases when facial expressions are presented together with bodies rather than in isolation, consistent with the notion that seeing body expressions triggers both emotional and action-related processes. In contrast, PPI analyses revealed that amygdala modulatory activity increases after the presentation of isolated faces when compared to combined faces and bodies. Furthermore, a facial expression combined with a congruent body enhanced both cortical activity and amygdala functional connectivity when compared to an incongruent face-body compound. Finally, the results showed that emotional body postures influence the processing of facial expressions, especially when the emotion conveyed by the body implies danger.

    Research areas

  • Journal Article, ATTENTION, amygdala, RECOGNITION, BASOLATERAL AMYGDALA, BEHAVIOR, body, EMOTIONAL MODULATION, fMRI, PERCEPTION, face, emotion, PROCESSING FACES, ORBITOFRONTAL CORTEX, VISUAL STREAM, FACIAL EXPRESSIONS, Humans, Male, Emotions/physiology, Fear/physiology, Nonverbal Communication, Adult, Cerebral Cortex/physiology, Female, Amygdala/physiology, Happiness, Brain/physiology, Facial Expression, Physical Appearance, Body, Magnetic Resonance Imaging, Brain Mapping, Facial Recognition/physiology
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Details

Original languageEnglish
Pages (from-to)135–144
Number of pages10
JournalSocial Cognitive and Affective Neuroscience
Volume13
Issue number1
Early online date28 Oct 2017
DOIs
Publication statusPublished - 1 Jan 2018