Journal Article

FZJ-2014-03285

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Whisker barrel cortex delta oscillations and gamma power in the awake mouse are linked to respiration

Ito, J. (Corresponding Author)FZJ* ; Roy, S. ; Liu, Y. ; Cao, Y. ; Fletcher, M. ; Lu, L. ; Boughter, J. D. ; Grün, S.FZJ* ; Heck, H.

2014
Nature Publishing Group London

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Please use a persistent id in citations: http://hdl.handle.net/2128/24474  doi:10.1038/ncomms4572

Abstract: Current evidence suggests that delta oscillations (0.5–4 Hz) in the brain are generated by intrinsic network mechanisms involving cortical and thalamic circuits. Here we report that delta band oscillation in spike and local field potential (LFP) activity in the whisker barrel cortex of awake mice is phase locked to respiration. Furthermore, LFP oscillations in the gamma frequency band (30–80 Hz) are amplitude modulated in phase with the respiratory rhythm. Removal of the olfactory bulb eliminates respiration-locked delta oscillations and delta-gamma phase-amplitude coupling. Our findings thus suggest respiration-locked olfactory bulb activity as a main driving force behind delta oscillations and gamma power modulation in the whisker barrel cortex in the awake state.

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Contributing Institute(s):

1. Computational and Systems Neuroscience (INM-6)
2. Theoretical Neuroscience (IAS-6)

Research Program(s):

1. 331 - Signalling Pathways and Mechanisms in the Nervous System (POF2-331) (POF2-331)
2. HASB - Helmholtz Alliance on Systems Biology (HGF-SystemsBiology) (HGF-SystemsBiology)
3. SMHB - Supercomputing and Modelling for the Human Brain (HGF-SMHB-2013-2017) (HGF-SMHB-2013-2017)
4. BRAINSCALES - Brain-inspired multiscale computation in neuromorphic hybrid systems (269921) (269921)
5. 89571 - Connectivity and Activity (POF2-89571) (POF2-89571)

Appears in the scientific report 2014

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Database coverage:
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