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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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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-F620-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-940B-A
Genre: Journal Article

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 Creators:
Meyer, Lars1, Author              
Gumbert, Matthias1, 2, Author              
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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 Abstract: 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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Language(s): eng - English
 Dates: 2018-06-292018-08
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1162/jocn_a_01236
PMID: 29324074
Other: Epub 2018
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Funding organization : Max Planck Society

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Title: Journal of Cognitive Neuroscience
Source Genre: Journal
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Publ. Info: Cambridge, MA : MIT Press Journals
Pages: - Volume / Issue: 30 (8) Sequence Number: - Start / End Page: 1066 - 1074 Identifier: ISSN: 0898-929X
CoNE: https://pure.mpg.de/cone/journals/resource/991042752752726