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  Frequency modulation entrains slow neural oscillations and optimizes human listening behavior

Henry, M., & Obleser, J. (2012). Frequency modulation entrains slow neural oscillations and optimizes human listening behavior. Proceedings of the National Academy of Sciences of the United States of America, 109(49), 20095-20100. doi:10.1073/pnas.1213390109.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-112E-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-CD7A-E
Genre: Journal Article

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 Creators:
Henry, Molly1, Author              
Obleser, Jonas1, Author              
Affiliations:
1Max Planck Research Group Auditory Cognition, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_751545              

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Free keywords: Auditory system; Entrainment, Frequency modulation, Neural oscillations
 Abstract: The human ability to continuously track dynamic environmental stimuli, in particular speech, is proposed to profit from “entrainment” of endogenous neural oscillations, which involves phase reorganization such that “optimal” phase comes into line with temporally expected critical events, resulting in improved processing. The current experiment goes beyond previous work in this domain by addressing two thus far unanswered questions. First, how general is neural entrainment to environmental rhythms: can neural oscillations be entrained by temporal dynamics of ongoing rhythmic stimuli without abrupt onsets? Second, does neural entrainment optimize performance of the perceptual system: does human auditory perception benefit from neural phase reorganization? In a human electroencephalography (EEG) study, listeners detected short gaps distributed uniformly with respect to the phase angle of a 3-Hz frequency-modulated stimulus. Listeners’ ability to detect gaps in the frequency-modulated sound was not uniformly distributed in time, but clustered in certain preferred phases of the modulation. Moreover, the “optimal” stimulus phase was individually determined by the neural delta oscillation entrained by the stimulus. Finally, delta phase predicted behavior better than stimulus phase or the ERP following the gap. This study is the first to demonstrate behavioral benefits of phase realignment in response to frequency-modulated auditory stimuli, overall suggesting that frequency fluctuations in natural environmental input provide a pacing signal for endogenous neural oscillations, thereby influencing perceptual processing.

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Language(s): eng - English
 Dates: 2012-08-022012-10-192012-11-142012-12-04
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1073/pnas.1213390109
PMID: 23151506
PMC: PMC3523826
Other: Epub 2012
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Title: Proceedings of the National Academy of Sciences of the United States of America
  Other : Proc. Natl. Acad. Sci. U. S. A.
Source Genre: Journal
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Pages: - Volume / Issue: 109 (49) Sequence Number: - Start / End Page: 20095 - 20100 Identifier: ISSN: 0027-8424
CoNE: https://pure.mpg.de/cone/journals/resource/954925427230