Title
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Untangling the animacy organization of occipitotemporal cortex
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Author
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Abstract
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Some of the most impressive functional specializations in the human brain are found in the occipitotemporal cortex (OTC), where several areas exhibit selectivity for a small number of visual categories, such as faces and bodies, and spatially cluster based on stimulus animacy. Previous studies suggest this animacy organization reflects the representation of an intuitive taxonomic hierarchy, distinct from the presence of face- and body-selective areas in OTC. Using human functional magnetic resonance imaging, we investigated the independent contribution of these two factors-the face-body division and taxonomic hierarchy-in accounting for the animacy organization of OTC and whether they might also be reflected in the architecture of several deep neural networks that have not been explicitly trained to differentiate taxonomic relations. We found that graded visual selectivity, based on animal resemblance to human faces and bodies, masquerades as an apparent animacy continuum, which suggests that taxonomy is not a separate factor underlying the organization of the ventral visual pathway. |
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Language
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English
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Source (journal)
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The journal of neuroscience. - Baltimore, Md
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Publication
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Baltimore, Md
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2021
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ISSN
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0270-6474
[Print]
1529-2401
[Online]
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DOI
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10.1523/JNEUROSCI.2628-20.2021
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Volume/pages
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41
:33
(2021)
, p. 7103-7119
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ISI
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000686886400001
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Pubmed ID
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34230104
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Full text (Publisher's DOI)
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Full text (open access)
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