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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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Wilsch, Anna1, Autor           
Henry, Molly1, Autor           
Herrmann, Björn1, Autor           
Maess, Burkhard2, Autor                 
Obleser, Jonas1, 3, Autor           
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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Schlagwörter: Slow-delta; Phase coherence; Temporal expectations; MEG; Delayed match-to-sample
 Zusammenfassung: 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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Sprache(n): eng - English
 Datum: 2014-07-282014-12-102015-02-162015-07
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1111/psyp.12413
PMID: 25684032
Anderer: Epub 2015
 Art des Abschluß: -

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Titel: Psychophysiology
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: New York, NY [etc.] : Blackwell Publishing Inc. [etc.]
Seiten: - Band / Heft: 52 (7) Artikelnummer: - Start- / Endseite: 910 - 918 Identifikator: ISSN: 0048-5772
CoNE: https://pure.mpg.de/cone/journals/resource/954925334698