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  Neural microstates govern perception of auditory input without rhythmic structure

Henry, M., Herrmann, B., & Obleser, J. (2016). Neural microstates govern perception of auditory input without rhythmic structure. The Journal of Neuroscience, 36(3), 860-871. doi:10.1523/JNEUROSCI.2191-15.2016.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-2151-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-19D4-2
Genre: Journal Article

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 Creators:
Henry, Molly1, Author              
Herrmann, Björn1, Author              
Obleser, Jonas1, 2, Author              
Affiliations:
1Max Planck Research Group Auditory Cognition, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_751545              
2Department of Psychology, University of Lübeck, Germany, ou_persistent22              

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Free keywords: Auditory perception; Entrainment; Neural microstates; Neural oscillations; Pychophysics
 Abstract: Human perception fluctuates with the phase of neural oscillations in the presence of environmental rhythmic structure by which neural oscillations become entrained. However, in the absence of predictability afforded by rhythmic structure, we hypothesize that the neural dynamical states associated with optimal psychophysical performance are more complex than what has been described previously for rhythmic stimuli. The current electroencephalography study characterized the brain dynamics associated with optimal detection of gaps embedded in narrow-band acoustic noise stimuli lacking low-frequency rhythmic structure. Optimal gap detection was associated with three spectrotemporally distinct delta-governed neural microstates. Individual microstates were characterized by unique instantaneous combinations of neural phase in the delta, theta, and alpha frequency bands. Critically, gap detection was not predictable from local fluctuations in stimulus acoustics. The current results suggest that, in the absence of rhythmic structure to entrain neural oscillations, good performance hinges on complex neural states that vary from moment to moment.

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Language(s): eng - English
 Dates: 2015-11-022015-06-082015-12-022016-01-20
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1523/JNEUROSCI.2191-15.2016
PMID: 26791216
 Degree: -

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Title: The Journal of Neuroscience
  Other : J. Neurosci.
Source Genre: Journal
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Publ. Info: Baltimore, MD : The Society
Pages: - Volume / Issue: 36 (3) Sequence Number: - Start / End Page: 860 - 871 Identifier: ISSN: 0270-6474
CoNE: /journals/resource/954925502187