Regional brain activations differ for semantic features but not categories.
Is human semantic knowledge neurally organised according to either category (e.g. living non-living) or attribute type (e.g. perceptual non-perceptual information)? Normal subjects were scanned using PET during a novel semantic production task, in which they generated either perceptual or non-perceptual information in response to names of living or non-living concepts. Analyses of blood flow in the temporal lobes revealed no significant differences associated with responses to living non-livi...Expand abstract
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