Integrating faces and bodies: Psychological and neural perspectives on whole person perception

Publication date: Available online 20 February 2020Source: Neuroscience &Biobehavioral ReviewsAuthor(s): Ying Hu, Asal Baragchizadeh, Alice J. O’TooleAbstractThe human “person” is a common percept we encounter. Research on person perception has been focused either on face or body perception—with less attention paid to whole person perception. We review psychological and neuroscience studies aimed at understanding how face and body processing operate in concert to support intact person perception. We address this question considering: a.) the task to be accomplished (identification, emotion processing, detection), b.) the neural stage of processing (early/late visual mechanisms), and c.) the relevant brain regions for face/body/person processing. From the psychological perspective, we conclude that the integration of faces and bodies is mediated by the goal of the processing (e.g., emotion analysis, identification, etc.). From the neural perspective, we propose a hierarchical functional neural architecture of face-body integration that retains a degree of separation between the dorsal and ventral visual streams. We argue for two centers of integration: a ventral semantic integration hub that is the result of progressive, posterior-to-anterior, face-body integration; and a social agent integration hub in the dorsal stream STS.
Source: Neuroscience and Biobehavioral Reviews - Category: Neuroscience Source Type: research

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