期刊
JOURNAL OF COGNITIVE NEUROSCIENCE
卷 12, 期 4, 页码 615-621出版社
MIT PRESS
DOI: 10.1162/089892900562372
关键词
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资金
- NIMH NIH HHS [MH49334, MH01439, R03 MH063434, R03 MH063434-01A1, MH1143] Funding Source: Medline
Object recognition is achieved even in circumstances when only partial information is available to the observer. Perceptual closure processes are essential in enabling such recognitions to occur. We presented successively less fragmented images while recording high-density event-related potentials (ERPs), which permitted us to monitor brain activity during the perceptual closure processes leading up to object recognition. We reveal bilateral ERP component (N-d) that tracks these processes (onsets similar to 230 msec, maximal at similar to 290 msec). Scalp-current density mapping of the N-d revealed bilateral occipito-temporal scalp foci, which are consistent with generators in the human ventral visual stream, and specifically the lateral-occipital or LO complex as defined by hemodynamic studies of object recognition.
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