Abstract:
: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.
journal_name
Neurobiol Learn Memjournal_title
Neurobiology of learning and memoryauthors
Skelin I,Kilianski S,McNaughton BLdoi
10.1016/j.nlm.2018.04.004subject
Has Abstractpub_date
2019-04-01 00:00:00pages
21-31eissn
1074-7427issn
1095-9564pii
S1074-7427(18)30090-Xjournal_volume
160pub_type
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journal_title:Neurobiology of learning and memory
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