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Communication between neocortex and hippocampus during sleep in rodents
Open accessAbstract
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.
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“Generation of spindles in the thalamus and generation of SW-Rs in the hippocampus are distinctly suppressed during the down-phase of the slow oscillation, and this is followed by a rebound in spindle and SW-R activity during the succeeding depolarizing up-state (66, 215, 597, 829 -832, 925, 1088).”
From About Sleep's Role in Memory (2013) · cites this paper as [1088]
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“Frequencies below 20 Hz were avoided because of the potential overlap with fast sleep spindles, which can reach 18 Hz 65,66 .”
From The neural correlates of dreaming (2017) · cites this paper as [66]
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Cited by
Sorted by citations
Neuronal Oscillations in Cortical Networks
Buzsáki, G., & Draguhn, A. (2004) · Science · doi:10.1126/science.1099745 · Cited by 6,576
Diekelmann, S., & Born, J. (2010) · Nature Reviews Neuroscience · doi:10.1038/nrn2762 · Cited by 3,760
Rasch, B., & Born, J. (2013) · Physiological Reviews · doi:10.1152/physrev.00032.2012 · Cited by 2,783
Tononi, G., & Cirelli, C. (2014) · Neuron · doi:10.1016/j.neuron.2013.12.025 · Cited by 2,356
Hippocampal sharp wave-ripple: A cognitive biomarker for episodic memory and planning
Buzsáki, G. (2015) · Hippocampus · doi:10.1002/hipo.22488 · Cited by 1,759
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Metadata
- Authors
- Sirota, A., Csicsvari, J., Buhl, D., & Buzsáki, G.
- Affiliations
- Rutgers, The State University of New Jersey (US)
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 2003-02-07
- Volume
- 100
- Issue
- 4
- Pages
- 2065-2069
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC149959
- OpenAlex
- W2023924009
- Cited by
- 930
- References
- 6
- Citations by year
- 2026: 31 · 2025: 38 · 2024: 41 · 2023: 49 · 2022: 52 · 2021: 47 · 2020: 60 · 2019: 76 · 2018: 45 · 2017: 57 · 2016: 50 · 2015: 44 · 2014: 33 · 2013: 41 · 2012: 38
- FWCI
- 11.59
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institutes of Health (5p41rr009754-09, 1P41RR09754)
- National Institute of Mental Health (R01MH054671, MH54671)
- National Institute of Neurological Disorders and Stroke (NS 43157, R01NS043157, R01NS034994, NS-34994)
- National Center for Research Resources (1P41RR-09754)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
- Keywords
- sleep, neural oscillations, sleep spindles, hippocampal ripples, slow-wave sleep, somatosensory cortex, memory consolidation, cell assemblies
- MeSH terms
- Animals, Hippocampus, Male, Mice, Inbred C57BL, Sleep, Rats, Sprague-Dawley, Mice, Knockout, Neocortex, Mice, Rats
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