Journal
NEURON
Volume 49, Issue 6, Pages 815-822Publisher
CELL PRESS
DOI: 10.1016/j.neuron.2006.02.004
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Funding
- Biotechnology and Biological Sciences Research Council [BB/C502530/1] Funding Source: Medline
- FDA HHS [BB/C502530/1] Funding Source: Medline
- Biotechnology and Biological Sciences Research Council [BB/C502530/1] Funding Source: researchfish
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Accurate perception of the actions and intentions of other people is essential for successful interactions in asocial environment. Several cortical areas that support this process respond selectively in fMRI to static and dynamic displays of human bodies and faces. Here we apply pattern-analysis techniques to arrive at a new understanding of the neural response to biological motion. Functionally defined body-, face-, and motion-selective visual areas all responded significantly to point-light human motion. Strikingly, however, only body selectivity was correlated, on a voxel-by-voxel basis, with biological motion selectivity. We conclude that (1) biological motion, through the process of structure-from-motion, engages areas involved in the analysis of the static human form; (2) body-selective regions in posterior fusiform gyrus and posterior inferior temporal sulcus overlap with, but are distinct from, face- and motion-selective regions; (3) the interpretation of region-of-interest findings may be substantially altered when multiple patterns of selectivity are considered.
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