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- Title
Coordinated reactivation of distributed memory traces in primate neocortex.
- Authors
Hoffman, K L; McNaughton, B L
- Abstract
Conversion of new memories into a lasting form may involve the gradual refinement and linking together of neural representations stored widely throughout neocortex. This consolidation process may require coordinated reactivation of distributed components of memory traces while the cortex is "offline," i.e., not engaged in processing external stimuli. Simultaneous neural ensemble recordings from four sites in the macaque neocortex revealed such coordinated reactivation. In motor, somatosensory, and parietal cortex (but not prefrontal cortex), the behaviorally induced correlation structure and temporal patterning of neural ensembles within and between regions were preserved, confirming a major tenet of the trace-reactivation theory of memory consolidation.
- Publication
Science (New York, N.Y.), 2002, Vol 297, Issue 5589, p2070
- ISSN
1095-9203
- Publication type
Journal Article
- DOI
10.1126/science.1073538