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  Synchronization of electrophysiological responses with speech benefits syntactic information processing

Meyer, L., & Gumbert, M. (2018). Synchronization of electrophysiological responses with speech benefits syntactic information processing. Journal of Cognitive Neuroscience, 30(8), 1066-1074. doi:10.1162/jocn_a_01236.

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Genre: Zeitschriftenartikel

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 Urheber:
Meyer, Lars1, Autor                 
Gumbert, Matthias1, 2, Autor           
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2University of Trento, Italy, ou_persistent22              

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 Zusammenfassung: In auditory neuroscience, electrophysiological synchronization to low-level acoustic and high-level linguistic features is well established—but its functional purpose for verbal information transmission is unclear. Based on prior evidence for a dependence of auditory task performance on delta-band oscillatory phase, we hypothesized that the synchronization of electrophysiological responses at delta-band frequency to the speech stimulus serves to implicitly align neural excitability with syntactic information. The experimental paradigm of our auditory EEG study uniformly distributed morphosyntactic violations across syntactic phrases of natural sentences, such that violations would occur at points differing in linguistic information content. In support of our hypothesis, we found behavioral responses to morphosyntactic violations to increase with decreasing syntactic information content—in significant correlation with delta-band phase, which had synchronized to our speech stimuli. Our findings indicate that rhythmic electrophysiological synchronization to the speech stream is a functional mechanism that may align neural excitability with linguistic information content, optimizing language comprehension.

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Sprache(n): eng - English
 Datum: 2018-06-292018-08
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1162/jocn_a_01236
PMID: 29324074
Anderer: Epub 2018
 Art des Abschluß: -

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Förderorganisation : Max Planck Society

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Titel: Journal of Cognitive Neuroscience
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Cambridge, MA : MIT Press Journals
Seiten: - Band / Heft: 30 (8) Artikelnummer: - Start- / Endseite: 1066 - 1074 Identifikator: ISSN: 0898-929X
CoNE: https://pure.mpg.de/cone/journals/resource/991042752752726