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  Neural mechanisms for selectively tuning into the target speaker in a naturalistic noisy situation

Dai, B., Chen, C., Long, Y., Zheng, L., Zhao, H., Bai, X., et al. (2018). Neural mechanisms for selectively tuning into the target speaker in a naturalistic noisy situation. Nature Communications, 9: 2405. doi:10.1038/s41467-018-04819-z.

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© The Author(s) 2018. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article ’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/ licenses/by/4.0/ .
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 Creators:
Dai, Bohan1, 2, 3, Author           
Chen, Chuansheng4, Author
Long, Yuhang1, Author
Zheng, Lifen1, Author
Zhao, Hui1, Author
Bai, Xialu1, Author
Liu, Wenda1, Author
Zhang, Yuxuan1, Author
Liu, Li1, Author
Guo, Taomei1, Author
Ding, Guosheng1, Author
Lu, Chunming1, Author
Affiliations:
1State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, ou_persistent22              
2Donders Institute for Brain, Cognition and Behaviour, External Organizations, ou_55236              
3Neurobiology of Language Department, MPI for Psycholinguistics, Max Planck Society, ou_792551              
4Department of Psychology and Social Behavior University of California, ou_persistent22              

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 Abstract: The neural mechanism for selectively tuning in to a target speaker while tuning out the others in a multi-speaker situation (i.e., the cocktail-party effect) remains elusive. Here we addressed this issue by measuring brain activity simultaneously from a listener and from multiple speakers while they were involved in naturalistic conversations. Results consistently show selectively enhanced interpersonal neural synchronization (INS) between the listener and the attended speaker at left temporal–parietal junction, compared with that between the listener and the unattended speaker across different multi-speaker situations. Moreover, INS increases significantly prior to the occurrence of verbal responses, and even when the listener’s brain activity precedes that of the speaker. The INS increase is independent of brain-to-speech synchronization in both the anatomical location and frequency range. These findings suggest that INS underlies the selective process in a multi-speaker situation through neural predictions at the content level but not the sensory level of speech.

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Language(s): eng - English
 Dates: 2018-05-292018-06-19
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41467-018-04819-z
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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Pages: - Volume / Issue: 9 Sequence Number: 2405 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723