Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice

Detalhes bibliográficos
Autor(a) principal: Scheffzu¨ k, Claudia
Data de Publicação: 2011
Outros Autores: Kukushka, Valeriy I., Vyssotski, Alexei L., Draguhn, Andreas, Tort, Adriano Bretanha Lopes, Brankacˇk, Jurij
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRN
Texto Completo: https://repositorio.ufrn.br/jspui/handle/1/6199
Resumo: TORT, A. B. L. ; SCHEFFER-TEIXEIRA, R ; Souza, B.C. ; DRAGUHN, A. ; BRANKACK, J. . Theta-associated high-frequency oscillations (110-160 Hz) in the hippocampus and neocortex. Progress in Neurobiology , v. 100, p. 1-14, 2013.
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spelling Scheffzu¨ k, ClaudiaKukushka, Valeriy I.Vyssotski, Alexei L.Draguhn, AndreasTort, Adriano Bretanha LopesBrankacˇk, Jurij2013-02-25T12:26:07Z2013-02-25T12:26:07Z2011TORT, A. B. L. ; SCHEFFER-TEIXEIRA, R ; Souza, B.C. ; DRAGUHN, A. ; BRANKACK, J. (2011)https://repositorio.ufrn.br/jspui/handle/1/6199TORT, A. B. L. ; SCHEFFER-TEIXEIRA, R ; Souza, B.C. ; DRAGUHN, A. ; BRANKACK, J. . Theta-associated high-frequency oscillations (110-160 Hz) in the hippocampus and neocortex. Progress in Neurobiology , v. 100, p. 1-14, 2013.Background: The mammalian brain expresses a wide range of state-dependent network oscillations which vary in frequency and spatial extension. Such rhythms can entrain multiple neurons into coherent patterns of activity, consistent with a role in behaviour, cognition and memory formation. Recent evidence suggests that locally generated fast network oscillations can be systematically aligned to long-range slow oscillations. It is likely that such cross-frequency coupling supports specific tasks including behavioural choice and working memory. Principal Findings: We analyzed temporal coupling between high-frequency oscillations and EEG theta activity (4–12 Hz) in recordings from mouse parietal neocortex. Theta was exclusively present during active wakefulness and REM-sleep. Fast oscillations occurred in two separate frequency bands: gamma (40–100 Hz) and fast gamma (120–160 Hz). Theta, gamma and fast gamma were more prominent during active wakefulness as compared to REM-sleep. Coupling between theta and the two types of fast oscillations, however, was more pronounced during REM-sleep. This state-dependent cross-frequency coupling was particularly strong for theta-fast gamma interaction which increased 9-fold during REM as compared to active wakefulness. Theta-gamma coupling increased only by 1.5-fold. Significance: State-dependent cross-frequency-coupling provides a new functional characteristic of REM-sleep and establishes a unique property of neocortical fast gamma oscillations. 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dc.title.pt_BR.fl_str_mv Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice
title Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice
spellingShingle Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice
Scheffzu¨ k, Claudia
title_short Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice
title_full Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice
title_fullStr Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice
title_full_unstemmed Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice
title_sort Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice
author Scheffzu¨ k, Claudia
author_facet Scheffzu¨ k, Claudia
Kukushka, Valeriy I.
Vyssotski, Alexei L.
Draguhn, Andreas
Tort, Adriano Bretanha Lopes
Brankacˇk, Jurij
author_role author
author2 Kukushka, Valeriy I.
Vyssotski, Alexei L.
Draguhn, Andreas
Tort, Adriano Bretanha Lopes
Brankacˇk, Jurij
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Scheffzu¨ k, Claudia
Kukushka, Valeriy I.
Vyssotski, Alexei L.
Draguhn, Andreas
Tort, Adriano Bretanha Lopes
Brankacˇk, Jurij
description TORT, A. B. L. ; SCHEFFER-TEIXEIRA, R ; Souza, B.C. ; DRAGUHN, A. ; BRANKACK, J. . Theta-associated high-frequency oscillations (110-160 Hz) in the hippocampus and neocortex. Progress in Neurobiology , v. 100, p. 1-14, 2013.
publishDate 2011
dc.date.issued.fl_str_mv 2011
dc.date.accessioned.fl_str_mv 2013-02-25T12:26:07Z
dc.date.available.fl_str_mv 2013-02-25T12:26:07Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.citation.fl_str_mv TORT, A. B. L. ; SCHEFFER-TEIXEIRA, R ; Souza, B.C. ; DRAGUHN, A. ; BRANKACK, J. (2011)
dc.identifier.uri.fl_str_mv https://repositorio.ufrn.br/jspui/handle/1/6199
identifier_str_mv TORT, A. B. L. ; SCHEFFER-TEIXEIRA, R ; Souza, B.C. ; DRAGUHN, A. ; BRANKACK, J. (2011)
url https://repositorio.ufrn.br/jspui/handle/1/6199
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