期刊
CURRENT BIOLOGY
卷 15, 期 24, 页码 2256-2262出版社
CELL PRESS
DOI: 10.1016/j.cub.2005.10.072
关键词
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资金
- NCRR NIH HHS [P41-RR14075, R01 RR16594-01A1] Funding Source: Medline
- NEI NIH HHS [EY13455] Funding Source: Medline
- PHS HHS [66696] Funding Source: Medline
Two of the most robust markers for special face processing are the behavioral face-inversion effect (FIE)- the disproportionate drop in recognition of upside-down (inverted) stimuli relative to upright faces-and the face-selective fMRI response in the fusiform face area (FFA). However, the relationship between these two face-selective markers is unknown. Here we report that the behavioral FIE is closely associated with the fMRI response in the FFA, but not in other face-elective or object-selective regions. The FFA and the face-selective region in the superior temporal sulcus (f_STS), but not the occipital face-selective region (OFA), showed a higher response to upright than inverted faces. However, only in the FFA was this fMRI-FIE positively correlated across subjects with the behavioral FIE. Second, the FFA, but not the f_STS, showed greater neural sensitivity to differences between faces when they were upright than inverted, suggesting a possible neural mechanism for the behavioral FIE. Although a similar trend was found in the occipital face area (OFA), it was less robust than the FFA. Taken together, our data suggest that among the face-selective and object-selective regions, the FFA is a primary neural source of the behavioral FIE.
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