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Takeuchi, H., Maruyama, T., Taki, Y., Motoki, K., Jeong, H., Kotozaki, Y., Shinada, T., Nakagawa, S., Nouchi, R., Iizuka, K., Yokoyama, R., Yamamoto, Y., Hanawa, S., Araki, T., Sakaki, K., Sasaki, Y., Magistro, D. 
ORCID: 0000-0002-2554-3701 and Kawashima, R.,
2020.
Effects of training of shadowing and reading aloud of second language on working memory and neural systems.
Brain Imaging and Behavior.
ISSN 1931-7557
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1347526_Magistro.pdf - Published version Download (889kB) | Preview |
Abstract
Shadowing and reading aloud both involve multiple complex cognitive processes, and both are considered effective methods for second-language learning. The working memory system, particularly the phonological loop, has been suggested to be involved in shadowing and reading aloud. The purpose of this study was to investigate the effects of a 4-week intensive adaptive training including shadowing and reading aloud of second language on working-memory capacity, regional gray matter volume (rGMV), and functional activation related to the n-back working-memory task in young adults. The results showed that compared with the training groups without speaking (listening to compressed speech and active control involving the second language), the training groups with speaking (shadowing and reading aloud) showed a tendency for greater test-retest increases in digit-span scores, and significantly greater test-retest decreases in N-back task reaction time (increase in working memory performance). Imaging analyses revealed compared with the active control group, shadowing group exhibited decreases in rGMV and brain activity during the working memory task (2-back task), in the left cerebellum and reading group exhibited decreases in them in the right anterior insula. These regions are parts of the phonological loop, suggesting the presence of training-induced neural plasticity in these neurocognitive mechanisms.
| Item Type: | Journal article | ||||||
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| Publication Title: | Brain Imaging and Behavior | ||||||
| Creators: | Takeuchi, H., Maruyama, T., Taki, Y., Motoki, K., Jeong, H., Kotozaki, Y., Shinada, T., Nakagawa, S., Nouchi, R., Iizuka, K., Yokoyama, R., Yamamoto, Y., Hanawa, S., Araki, T., Sakaki, K., Sasaki, Y., Magistro, D. and Kawashima, R. | ||||||
| Publisher: | Springer Science and Business Media LLC | ||||||
| Date: | 23 July 2020 | ||||||
| ISSN: | 1931-7557 | ||||||
| Identifiers: |
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| Rights: | © The Author(s) 2020. Open Access: 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/. | ||||||
| Divisions: | Schools > School of Science and Technology | ||||||
| Record created by: | Jill Tomkinson | ||||||
| Date Added: | 03 Aug 2020 15:44 | ||||||
| Last Modified: | 31 May 2021 15:18 | ||||||
| URI: | https://irep.ntu.ac.uk/id/eprint/40307 |
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