Communication between neocortex and hippocampus during sleep in rodents.

Abstract:

:Both neocortical and hippocampal networks organize the firing patterns of their neurons by prominent oscillations during sleep, but the functional role of these rhythms is not well understood. Here, we show a robust correlation of neuronal discharges between the somatosensory cortex and hippocampus on both slow and fine time scales in the mouse and rat. Neuronal bursts in deep cortical layers, associated with sleep spindles and delta waves/slow rhythm, effectively triggered hippocampal discharges related to fast (ripple) oscillations. We hypothesize that oscillation-mediated temporal links coordinate specific information transfer between neocortical and hippocampal cell assemblies. Such a neocortical-hippocampal interplay may be important for memory consolidation.

authors

Sirota A,Csicsvari J,Buhl D,Buzsáki G

doi

10.1073/pnas.0437938100

keywords:

subject

Has Abstract

pub_date

2003-02-18 00:00:00

pages

2065-9

issue

4

eissn

0027-8424

issn

1091-6490

pii

0437938100

journal_volume

100

pub_type

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