Journal
SCIENCE
Volume 293, Issue 5534, Pages 1506-1509Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1061133
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Funding
- NEI NIH HHS [EY13455] Funding Source: Medline
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The human lateral occipital complex (LOC) has been implicated in object recognition, but it is unknown whether this region represents low-level image features or perceived object shape. We used an event-related functional magnetic resonance imaging adaptation paradigm in which the response to pairs of successively presented stimuli is tower when they are identical than when they are different. Adaptation across a change between the two stimuli in a pair provides evidence for a common neural representation invariant to that change. We found adaptation in the LOC when perceived shape was identical but contours differed, but not when contours were identical but perceived shape differed. These data indicate that the LOC represents not simple image features, but rather higher level shape information.
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