期刊
NEUROBIOLOGY OF LEARNING AND MEMORY
卷 160, 期 -, 页码 21-31出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.nlm.2018.04.004
关键词
Memory consolidation; Hippocampus; Cortex; Sharp wave/ripples; Slow oscillations; Spindles
资金
- Alberta Innovates Health Solutions Polaris Award grant
- NSERC grant [RGPIN-2017-03857]
- NSF grant [1631465]
- Direct For Social, Behav & Economic Scie
- Division Of Behavioral and Cognitive Sci [1631465] Funding Source: National Science Foundation
Memory consolidation is a gradual process through which episodic memories become incorporated into long-term 'semantic' representations. It likely involves reactivation of neural activity encoding the recent experience during non-REM sleep. A critical prerequisite for memory consolidation is precise coordination of reactivation events between the hippocampus and cortical/subcortical structures, facilitated by the coupling of local field potential (LFP) oscillations (slow oscillations, sleep spindles and sharp wave/ripples) between these structures. We review the rapidly expanding literature on the qualitative and quantitative aspects of hippocampal oscillatory and neuronal coupling with cortical/subcortical structures in the context of memory reactivation. Reactivation in the hippocampus and cortical/subcortical structures is tightly coupled with sharp wave/ripples. Hippocampal-cortical/subcortical coupling is rich in dimensionality and this dimensionality is likely underestimated due to the limitations of the current methodology.
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