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Sharp wave/ripple (SWR, 150-250 Hz) hippocampal events have long been postulated to be involved in memory consolidation. However, more recent work has investigated SWRs that occur during active waking behaviour: findings that suggest that SWRs may also play a role in cell assembly strengthening or spatial working memory. Do such theories of SWR function apply to animal learning? This review discusses how general theories linking SWRs to memory-related function may explain circuit mechanisms related to rodent spatial learning and to the associated stabilization of new cognitive maps.

Original publication

DOI

10.1098/rstb.2012.0528

Type

Journal article

Journal

Philos Trans R Soc Lond B Biol Sci

Publication Date

05/02/2014

Volume

369

Keywords

cognitive map, memory consolidation, place cell, sleep, Animals, Biological Clocks, Hippocampus, Learning, Memory, Neurons, Rats, Sleep, Space Perception