Selective entrainment of gamma subbands by different slow network oscillations

Zhong, Weiwei; Ciatipis, Mareva; Wolfenstetter, Thérèse; Jessberger, Jakob; Müller, Carola; Ponsel, Simon; Yanovsky, Yevgenij; Brankack, Jurij; Tort, Adriano Bretanha Lopes; Draguhn, Andreas

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Campo DC	Valor	Idioma
dc.contributor.author	Zhong, Weiwei	-
dc.contributor.author	Ciatipis, Mareva	-
dc.contributor.author	Wolfenstetter, Thérèse	-
dc.contributor.author	Jessberger, Jakob	-
dc.contributor.author	Müller, Carola	-
dc.contributor.author	Ponsel, Simon	-
dc.contributor.author	Yanovsky, Yevgenij	-
dc.contributor.author	Brankack, Jurij	-
dc.contributor.author	Tort, Adriano Bretanha Lopes	-
dc.contributor.author	Draguhn, Andreas	-
dc.date.accessioned	2017-05-03T18:05:43Z	-
dc.date.available	2017-05-03T18:05:43Z	-
dc.date.issued	2017-03-16	-
dc.identifier.uri	https://repositorio.ufrn.br/jspui/handle/123456789/22790	-
dc.language	eng	pt_BR
dc.rights	Acesso Aberto	pt_BR
dc.subject	cross-frequency coupling	pt_BR
dc.subject	gamma subbands	pt_BR
dc.subject	theta	pt_BR
dc.subject	respiration	pt_BR
dc.subject	neocortex	pt_BR
dc.title	Selective entrainment of gamma subbands by different slow network oscillations	pt_BR
dc.type	article	pt_BR
dc.identifier.doi	10.1073/pnas.1617249114	-
dc.description.resumo	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 thetagamma 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.	pt_BR
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