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  Alpha power during task performance predicts individual language comprehension

Wang, P., He, Y., Maess, B., Yue, J., Chen, L., Brauer, J., et al. (2022). Alpha power during task performance predicts individual language comprehension. NeuroImage, 260: 119449. doi:10.1016/j.neuroimage.2022.119449.

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 Creators:
Wang, Peng1, Author           
He, Y.2, Author
Maess, Burkhard1, Author           
Yue, J.3, Author
Chen, Luyao4, 5, Author           
Brauer, Jens4, 6, Author           
Friederici, Angela D.4, Author           
Knösche, Thomas R.1, Author           
Affiliations:
1Methods and Development Group Brain Networks, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2205650              
2Department of Psychiatry and Psychotherapy, Philipps University Marburg, Germany, ou_persistent22              
3Laboratory for Cognitive and Social Neuroscience, School of Management, Harbin Institute of Technology, China, ou_persistent22              
4Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
5College of Chinese Language and Culture, Beijing Normal University, China, ou_persistent22              
6Friedrich Schiller University Jena, Germany, ou_persistent22              

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Free keywords: Individual alpha; Alpha attenuation; EEG/MEG; Sentence comprehension; Embedded sentences
 Abstract: Alpha power attenuation during cognitive task performing has been suggested to reflect a process of release of inhibition, increase of excitability, and thereby benefit the improvement of performance. Here, we hypothesized that changes in individual alpha power during the execution of a complex language comprehension task may correlate with the individual performance in that task. We tested this using magnetoencephalography (MEG) recorded during comprehension of German sentences of different syntactic complexity. Results showed that neither the frequency nor the power of the spontaneous oscillatory activity at rest were associated with the individual performance. However, during the execution of a sentences processing task, the individual alpha power attenuation did correlate with individual language comprehension performance. Source reconstruction localized effects in temporal-parietal regions of both hemispheres. While the effect of increased task difficulty is localized in both hemispheres, the difference in power attenuation between tasks of different complexity exhibiting a correlation with performance was localized in left temporal-parietal brain regions known to be associated with language processing. Our results support the notion that in-task attenuation of individual alpha power is related to the essential mechanisms of the underlying cognitive processes, rather than merely to general phenomena like attention or vigilance.

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Language(s): eng - English
 Dates: 2022-06-152021-10-242022-07-032022-07-122022-10-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.neuroimage.2022.119449
Other: epub 2022
PMID: 35835340
 Degree: -

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Project name : -
Grant ID : KN588/7-1 and FR519/22-1
Funding program : -
Funding organization : Deutsche Forschungsgemeinschaft (DFG)

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Title: NeuroImage
Source Genre: Journal
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Publ. Info: Orlando, FL : Academic Press
Pages: - Volume / Issue: 260 Sequence Number: 119449 Start / End Page: - Identifier: ISSN: 1053-8119
CoNE: https://pure.mpg.de/cone/journals/resource/954922650166