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  Slow-delta phase concentration marks improved temporal expectations based on the passage of time

Wilsch, A., Henry, M., Herrmann, B., Maess, B., & Obleser, J. (2015). Slow-delta phase concentration marks improved temporal expectations based on the passage of time. Psychophysiology, 52(7), 910-918. doi:10.1111/psyp.12413.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-784C-E Version Permalink: http://hdl.handle.net/21.11116/0000-0003-14F9-E
Genre: Journal Article

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 Creators:
Wilsch, Anna1, Author              
Henry, Molly1, Author              
Herrmann, Björn1, Author              
Maess, Burkhard2, Author              
Obleser, Jonas1, 3, Author              
Affiliations:
1Max Planck Research Group Auditory Cognition, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_751545              
2Methods and Development Group MEG and EEG - Cortical Networks and Cognitive Functions, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_2205650              
3Department of Psychology, University of Lübeck, Germany, ou_persistent22              

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Free keywords: Slow-delta; Phase coherence; Temporal expectations; MEG; Delayed match-to-sample
 Abstract: Temporal expectations enhance neural encoding precision, reflected in optimized alignment of slow neural oscillatory phase, and facilitate subsequent stimulus processing. If an event's exact occurrence time is unknown, temporal expectations arise solely from the passage of time. Here, we show that this specific type of temporal expectation is also reflected in neural phase organization. While undergoing magnetoencephalography, participants performed an auditory-delayed matching-to-sample task with two syllables (S1, S2). Critically, S1-onset time varied in the 0.6–1.8-s (i.e., 0.6–1.7 Hz) range. Increasing S1-onset times led to increased slow-delta (0.6–0.9 Hz) phase coherence over right frontotemporal sensors during S1 encoding. Moreover, individuals with higher slow-delta coherence showed decreased alpha power (8–13 Hz) during subsequent memory retention. In sum, temporal expectations based on the passage of time optimize the precise alignment of neural oscillatory phase with an expected stimulus.

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Language(s): eng - English
 Dates: 2014-07-282014-12-102015-02-162015-07
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1111/psyp.12413
PMID: 25684032
Other: Epub 2015
 Degree: -

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Title: Psychophysiology
Source Genre: Journal
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Publ. Info: New York, NY [etc.] : Blackwell Publishing Inc. [etc.]
Pages: - Volume / Issue: 52 (7) Sequence Number: - Start / End Page: 910 - 918 Identifier: ISSN: 0048-5772
CoNE: /journals/resource/954925334698