Parallel, multi-stage processing of colors, faces and shapes in macaque inferior temporal cortex

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Parallel, multi-stage processing of colors, faces and shapes in macaque inferior temporal cortex

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Title: Parallel, multi-stage processing of colors, faces and shapes in macaque inferior temporal cortex
Author: Lafer-Sousa, Rosa; Conway, Bevil R.

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Citation: Lafer-Sousa, Rosa, and Bevil R. Conway. 2014. “Parallel, multi-stage processing of colors, faces and shapes in macaque inferior temporal cortex.” Nature neuroscience 16 (12): 1870-1878. doi:10.1038/nn.3555. http://dx.doi.org/10.1038/nn.3555.
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Abstract: Visual-object processing culminates in inferior temporal (IT) cortex. To assess the organization of IT, we measured fMRI responses in alert monkey to achromatic images (faces, fruit, bodies, places) and colored gratings. IT contained multiple color-biased regions, which were typically ventral to face patches and, remarkably, yoked to them, spaced regularly at four locations predicted by known anatomy. Color and face selectivity increased for more anterior regions, indicative of a broad hierarchical arrangement. Responses to non-face shapes were found across IT, but were stronger outside color-biased regions and face patches, consistent with multiple parallel streams. IT also contained multiple coarse eccentricity maps: face patches overlapped central representations; color-biased regions spanned mid-peripheral representations; and place-biased regions overlapped peripheral representations. These results suggest that IT comprises parallel, multi-stage processing networks subject to one organizing principle.
Published Version: doi:10.1038/nn.3555
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3957328/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:12406735
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