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  Selective entrainment of gamma subbands by different slow network oscillations

Zhong, W., Ciatipis, M., Wolfenstetter, T., Jessberger, J., Müller, C., Ponsel, S., et al. (2017). Selective entrainment of gamma subbands by different slow network oscillations. Proceedings of the National Academy of Sciences of the United States of America, 114(17), 4519-1524. doi:10.1073/pnas.1617249114.

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http://www.pnas.org/content/114/17/4519.long (Publisher version)
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 Creators:
Zhong, W., Author
Ciatipis, M., Author
Wolfenstetter, Thérèse1, Author
Jessberger, J., Author
Müller, C., Author
Ponsel, S., Author
Yanovsky, Y., Author
Brankack, J., Author
Tort, A.B.L., Author
Draguhn, A., Author
Affiliations:
1Department of Molecular Sensory Systems, Center of Advanced European Studies and Research (caesar), Max Planck Society, Ludwig-Erhard-Allee 2, 53175 Bonn, DE, ou_2173679              

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Free keywords: cross-frequency coupling; gamma subbands; neocortex; respiration; theta.
 Abstract: Theta oscillations (4-12 Hz) are thought to provide a common temporal reference for the exchange of information among distant brain networks. On the other hand, faster gamma-frequency oscillations (30-160 Hz) nested within theta cycles are believed to underlie local information processing. Whether oscillatory coupling between global and local oscillations, as showcased by theta-gamma coupling, is a general coding mechanism remains unknown. Here, we investigated two different patterns of oscillatory network activity, theta and respiration-induced network rhythms, in four brain regions of freely moving mice: olfactory bulb (OB), prelimbic cortex (PLC), parietal cortex (PAC), and dorsal hippocampus [cornu ammonis 1 (CA1)]. We report differential state- and region-specific coupling between the slow large-scale rhythms and superimposed fast oscillations. During awake immobility, all four regions displayed a respiration-entrained rhythm (RR) with decreasing power from OB to CA1, which coupled exclusively to the 80- to 120-Hz gamma subband (γ2). During exploration, when theta activity was prevailing, OB and PLC still showed exclusive coupling of RR with γ2 and no theta-gamma coupling, whereas PAC and CA1 switched to selective coupling of theta with 40- to 80-Hz (γ1) and 120- to 160-Hz (γ3) gamma subbands. Our data illustrate a strong, specific interaction between neuronal activity patterns and respiration. Moreover, our results suggest that the coupling between slow and fast oscillations is a general brain mechanism not limited to the theta rhythm.

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Language(s): eng - English
 Dates: 2017-04-25
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1073/pnas.1617249114
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Title: Proceedings of the National Academy of Sciences of the United States of America
  Abbreviation : Proc Natl Acad Sci U S A
Source Genre: Journal
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Publ. Info: Washington, D.C. : National Academy of Sciences
Pages: - Volume / Issue: 114 (17) Sequence Number: - Start / End Page: 4519 - 1524 Identifier: ISSN: 0027-8424
CoNE: https://pure.mpg.de/cone/journals/resource/954925427230