Memory trace reactivation in hippocampal and neocortical neuronal ensembles

During active behavior, patterns of hippocampal and neocortical neuronal activity reflect ongoing inputs and their contexts. Recent neurophysiological investigations have shown that during ‘off-line’ periods, traces of these experiences are spontaneously reactivated in both structures. Although the...

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Bibliographic Details
Published in:Current Opinion in Neurobiology 2000-04, Vol.10 (2), p.180-186
Main Authors: Sutherland, Gary R, McNaughton, Bruce
Format: Article
Language:English
Subjects:
Animals
Behavior, Animal - physiology
Hippocampus - physiology
Humans
Memory - physiology
Neocortex - physiology
Nerve Net - physiology
Neural Inhibition - physiology
Neurons - physiology
Periodicity
Rats
Sleep - physiology
Sleep, REM - physiology
Wakefulness - physiology
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Summary:During active behavior, patterns of hippocampal and neocortical neuronal activity reflect ongoing inputs and their contexts. Recent neurophysiological investigations have shown that during ‘off-line’ periods, traces of these experiences are spontaneously reactivated in both structures. Although the functional importance of this phenomenon remains to be demonstrated, it does provide clues about the nature and mechanisms of memory retrieval and consolidation.
ISSN:0959-4388
1873-6882
DOI:10.1016/S0959-4388(00)00079-9