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  Domain-general and language-specific contributions to speech production in a second language: An fMRI study using functional localizers

Wolna, A., Szewczyk, J., Diaz, M., Domagalik, A., Szwed, M., & Wodniecka, Z. (2024). Domain-general and language-specific contributions to speech production in a second language: An fMRI study using functional localizers. Scientific Reports, 14:. doi:10.1038/s41598-023-49375-9.

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アイテムのパーマリンク: https://hdl.handle.net/21.11116/0000-000E-26E1-9 版のパーマリンク: https://hdl.handle.net/21.11116/0000-000E-26E2-8
資料種別: 学術論文

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Wolna_etal_2024_domain general and.....pdf (出版社版), 4MB
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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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.
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supplementary materials
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 作成者:
Wolna, Agata1, 著者
Szewczyk, Jakub1, 2, 3, 著者           
Diaz, Michele4, 著者
Domagalik, Aleksandra1, 著者
Szwed, Marcin1, 著者
Wodniecka, Zofia1, 著者
所属:
1Jagiellonian University, Kraków, Poland, ou_persistent22              
2Neurobiology of Language Department, MPI for Psycholinguistics, Max Planck Society, ou_792551              
3Donders Institute for Brain, Cognition and Behaviour, External Organizations, ou_55236              
4The Pennsylvania State University, State College, PA, USA, ou_persistent22              

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 要旨: For bilinguals, speaking in a second language (L2) compared to the native language (L1) is usually more difficult. In this study we asked whether the difficulty in L2 production reflects increased demands imposed on domain-general or core language mechanisms. We compared the brain response to speech production in L1 and L2 within two functionally-defined networks in the brain: the Multiple Demand (MD) network and the language network. We found that speech production in L2 was linked to a widespread increase of brain activity in the domain-general MD network. The language network did not show a similarly robust differences in processing speech in the two languages, however, we found increased response to L2 production in the language-specific portion of the left inferior frontal gyrus (IFG). To further explore our results, we have looked at domain-general and language-specific response within the brain structures postulated to form a Bilingual Language Control (BLC) network. Within this network, we found a robust increase in response to L2 in the domain-general, but also in some language-specific voxels including in the left IFG. Our findings show that L2 production strongly engages domain-general mechanisms, but only affects language sensitive portions of the left IFG. These results put constraints on the current model of bilingual language control by precisely disentangling the domain-general and language-specific contributions to the difficulty in speech production in L2.

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言語: eng - English
 日付: 2024-01-022024
 出版の状態: 出版
 ページ: -
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 目次: -
 査読: 査読あり
 識別子（DOI, ISBNなど）: DOI: 10.1038/s41598-023-49375-9
 学位: -

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出版物 1

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出版物名: Scientific Reports
  省略形 : Sci. Rep.
種別: 学術雑誌
 著者・編者:
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出版社, 出版地: London, UK : Nature Publishing Group
ページ: - 巻号: 14 通巻号: 57 開始・終了ページ: - 識別子（ISBN, ISSN, DOIなど）: ISSN: 2045-2322
CoNE: https://pure.mpg.de/cone/journals/resource/2045-2322