Evidence for a new conceptualization of semantic representation in the left and right cerebral hemispheres.
paper
Cited
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- Authors
- Deacon, Diana; Grose-Fifer, Jillian; Yang, Chien-Ming; Stanick, Virginia; Hewitt, Sean; Dynowska, Anna
- Year
- 2004
- Journal
- Cortex; a journal devoted to the study of the nervous system and behavior
- PMID
- 15259327
- DOI
- 10.1016/s0010-9452(08)70140-0
Two experiments are reported that examined qualitative differences in how semantic information is represented in the two hemispheres. In the first experiment, items that were associatively related but did not share semantic features or membership in semantic categories produced priming when delivered to the LH (RVF) but not to the RH (LVF). In the second experiment items that shared semantic features but were neither associates nor in the same category produced priming in the RH (LVF), but not in the LH (RVF). Together, the two experiments support the theory that, in the right hemisphere, semantic memories are represented within a distributed system, on the basis of semantic features, whereas, in the left hemisphere representations are, as in local models, relatively more holistic, and are connected via associative links.
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