Representations of faces and body parts in macaque temporal cortex: a functional MRI study.

Bibliographic Collection: 
MOCA Reference, APE
Publication Type: Journal Article
Authors: Pinsk, Mark A; DeSimone, Kevin; Moore, Tirin; Gross, Charles G; Kastner, Sabine
Year of Publication: 2005
Journal: Proc Natl Acad Sci U S A
Volume: 102
Issue: 19
Pagination: 6996-7001
Date Published: 2005 May 10
Publication Language: eng
ISSN: 0027-8424
Keywords: Animals, Brain Mapping, Face, Form Perception, Image Processing, Computer-Assisted, Macaca, Magnetic Resonance Imaging, Male, Pattern Recognition, Visual, Temporal Lobe, Time Factors, Visual cortex, Visual perception

Human neuroimaging studies suggest that areas in temporal cortex respond preferentially to certain biologically relevant stimulus categories such as faces and bodies. Single-cell studies in monkeys have reported cells in inferior temporal cortex that respond selectively to faces, hands, and bodies but provide little evidence of large clusters of category-specific cells that would form "areas." We probed the category selectivity of macaque temporal cortex for representations of monkey faces and monkey body parts relative to man-made objects using functional MRI in animals trained to fixate. Two face-selective areas were activated bilaterally in the posterior and anterior superior temporal sulcus exhibiting different degrees of category selectivity. The posterior face area was more extensively activated in the right hemisphere than in the left hemisphere. Immediately adjacent to the face areas, regions were activated bilaterally responding preferentially to body parts. Our findings suggest a category-selective organization for faces and body parts in macaque temporal cortex.

DOI: 10.1073/pnas.0502605102
Alternate Journal: Proc. Natl. Acad. Sci. U.S.A.
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