Sleep may promote the transfer of memories from hippocampus to cortex. New work shows that experiences are replayed during sleep in both brain regions and that replay in these two areas occurs synchronously.
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Mehta, M. Cortico-hippocampal interaction during up-down states and memory consolidation. Nat Neurosci 10, 13–15 (2007). https://doi.org/10.1038/nn0107-13
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DOI: https://doi.org/10.1038/nn0107-13
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