A functional dissociation of face-, body- and scene-selective brain areas based on their response to moving and static stimuli

The human brain contains areas that respond selectively to faces, bodies and scenes. Neuroimaging studies have shown that a subset of these areas preferentially respond more to moving than static stimuli, but the reasons for this functional dissociation remain unclear. In the present study, we simul...

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Bibliographic Details
Published in:Scientific reports 2019-06, Vol.9 (1), p.8242-8242, Article 8242
Main Authors: Pitcher, David, Ianni, Geena, Ungerleider, Leslie G.
Format: Article
Language:English
Subjects:
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Amygdala
Brain
Brain - anatomy & histology
Brain - physiology
Brain mapping
Face
Functional magnetic resonance imaging
Hemispheric laterality
Humanities and Social Sciences
Humans
Medical imaging
Movement
multidisciplinary
Neuroimaging
Parahippocampal gyrus
Photic Stimulation
Science
Science (multidisciplinary)
Superior temporal sulcus
Variance analysis
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Summary:The human brain contains areas that respond selectively to faces, bodies and scenes. Neuroimaging studies have shown that a subset of these areas preferentially respond more to moving than static stimuli, but the reasons for this functional dissociation remain unclear. In the present study, we simultaneously mapped the responses to motion in face-, body- and scene-selective areas in the right hemisphere using moving and static stimuli. Participants (N = 22) were scanned using functional magnetic resonance imaging (fMRI) while viewing videos containing bodies, faces, objects, scenes or scrambled objects, and static pictures from the beginning, middle and end of each video. Results demonstrated that lateral areas, including face-selective areas in the posterior and anterior superior temporal sulcus (STS), the extrastriate body area (EBA) and the occipital place area (OPA) responded more to moving than static stimuli. By contrast, there was no difference between the response to moving and static stimuli in ventral and medial category-selective areas, including the fusiform face area (FFA), occipital face area (OFA), amygdala, fusiform body area (FBA), retrosplenial complex (RSC) and parahippocampal place area (PPA). This functional dissociation between lateral and ventral/medial brain areas that respond selectively to different visual categories suggests that face-, body- and scene-selective networks may be functionally organized along a common dimension.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-019-44663-9