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Neural representational similarity betweenL1andL2in spoken and written language processing

Title
Neural representational similarity betweenL1andL2in spoken and written language processing
Author
김세영
Keywords
bi/multilingual; fMRI; Korean; spoken word processing; visual word processing
Issue Date
2020-08
Publisher
WILEY
Citation
HUMAN BRAIN MAPPING, v. 41, no. 17, page. 4935-4951
Abstract
Despite substantial research on the brain mechanisms of L1 and L2 processing in bilinguals, it is still unknown whether language modality (i.e., visual vs. auditory) plays a role in determining whether L1 and L2 are processed similarly. Therefore, we examined the neural representational similarity in neural networks between L1 and L2 in spoken and written word processing in Korean-English-Chinese trilinguals. Participants performed both visual and auditory rhyming judgments in the three languages: Korean, English, and Chinese. The results showed greater similarity among the three languages in the auditory modality than in the visual modality, suggesting more differentiated networks for written word processing in the three languages than spoken word processing. In addition, there was less similarity between spoken and written word processing in L1 than the L2s, suggesting a more specialized network for each modality in L1 than L2s. Finally, the similarity between the two L2s (i.e., Chinese and English) was greater than that between each L2 and L1 after task performance was regressed out, especially in the visual modality, suggesting that L2s are processed similarly. These findings provide important insights about spoken and written language processing in the bilingual brain.
URI
https://onlinelibrary.wiley.com/doi/10.1002/hbm.25171https://repository.hanyang.ac.kr/handle/20.500.11754/169956
ISSN
1065-9471; 1097-0193
DOI
10.1002/hbm.25171
Appears in Collections:
COLLEGE OF HUMANITIES[S](인문과학대학) > ENGLISH LANGUAGE & LITERATURE(영어영문학과) > Articles
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