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  Laminar specificity of oscillatory coherence in the auditory cortex

García-Rosales, F., Röhrig, D., Weineck, K., Röhm, M., Lin, Y.-H., Cabral-Calderin, Y., et al. (2019). Laminar specificity of oscillatory coherence in the auditory cortex. Brain Structure and Function, 224(8), 2907-2924. doi:10.1007/s00429-019-01944-3.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-3AE0-D Version Permalink: http://hdl.handle.net/21.11116/0000-0005-3C36-C
Genre: Journal Article

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 Creators:
García-Rosales, Francisco1, Author
Röhrig, Dennis1, Author
Weineck, Kristin1, Author
Röhm, Mira1, Author
Lin, Yi-Hsuan1, Author
Cabral-Calderin, Yuranny2, Author              
Kössl, Manfred1, Author
Hechavarria, Julio C.1, Author
Affiliations:
1Institut für Zellbiologie und Neurowissenschaft, Goethe-Universität, Frankfurt/Main, Germany, ou_persistent22              
2Research Group Neural and Environmental Rhythms, Max Planck Institute for Empirical Aesthetics, Max Planck Society, ou_3177420              

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Free keywords: Auditory cortex Spike-field coherence Natural sequence processing Local-field potential Cortical entrainment Phase synchronization Brain rhythms Cortical layers
 Abstract: Empirical evidence suggests that, in the auditory cortex (AC), the phase relationship between spikes and local-field potentials (LFPs) plays an important role in the processing of auditory stimuli. Nevertheless, unlike the case of other sensory systems, it remains largely unexplored in the auditory modality whether the properties of the cortical columnar microcircuit shape the dynamics of spike–LFP coherence in a layer-specific manner. In this study, we directly tackle this issue by addressing whether spike–LFP and LFP–stimulus phase synchronization are spatially distributed in the AC during sensory processing, by performing laminar recordings in the cortex of awake short-tailed bats (Carollia perspicillata) while animals listened to conspecific distress vocalizations. We show that, in the AC, spike–LFP and LFP–stimulus synchrony depend significantly on cortical depth, and that sensory stimulation alters the spatial and spectral patterns of spike–LFP phase-locking. We argue that such laminar distribution of coherence could have functional implications for the representation of naturalistic auditory stimuli at a cortical level.

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Language(s): eng - English
 Dates: 2019-08-272019-11
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1007/s00429-019-01944-3
 Degree: -

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Title: Brain Structure and Function
Source Genre: Journal
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Publ. Info: Berlin : Springer
Pages: - Volume / Issue: 224 (8) Sequence Number: - Start / End Page: 2907 - 2924 Identifier: ISSN: 1432-0568