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Earlier second language acquisition is associated with greater neural pattern dissimilarity between the first and second languages
Ou, Jian1,2,3; Li, Wenlong2,3; Yang, Yang4,5; Wang, Nizhuan6; Xu, Min1,3
First AuthorOu, Jian
Correspondent Emailxumin@szu.edu.cn (m. xu)
Contribution Rank4
Abstract

It is controversial as to how age of acquisition (AoA) and proficiency level of the second language influence the similarities and differences between the first (L1) and the second (L2) language brain networks. In this functional MRI study, we used representational similarity analysis to quantify the degree of neural similarity between L1 and L2 during sentence comprehension tasks in 26 adult Chinese-English bilinguals, who learned English as L2 at different ages and had different proficiency levels. We found that although L1 and L2 processing activated similar brain regions, greater neural pattern dissimilarity between L1 and L2 was associated with earlier AoA in the left inferior and middle frontal gyri after the effect of proficiency level was controlled. On the other hand, the association between proficiency level and the neural pattern dissimilarity between L1 and L2 was not significant when the effect of AoA was partialled out. The results suggest that the activity pattern of L2 is more distinct from that of L1 in bilingual individuals who acquired L2 earlier and that the contribution of AoA to the neural pattern dissimilarity is greater than that of proficiency level.

KeywordBilingualism Representational similarity analysis Age of acquisition Proficiency Neuroimaging
2020-04-01
Language英语
DOI10.1016/j.bandl.2019.104740
Source PublicationBRAIN AND LANGUAGE
ISSN0093-934X
Volume203Pages:8
Subtypearticle
Indexed BySCI
Funding ProjectShenzhen Basic Research Grant[JCYJ20170412164259361] ; Shenzhen Basic Research Grant[JCYJ20170818110022721] ; National Natural Science Foundation of China[31700951] ; National Natural Science Foundation of China[31800954] ; National Natural Science Foundation of China[61701318] ; Shenzhen Peacock Team Plan[KQTD2015033016104926] ; Guangdong Key Basic Research Grant[2018B030332001]
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
WOS KeywordBILINGUAL BRAIN ; CHINESE ; ENGLISH ; AGE ; PROFICIENCY ; FMRI ; L1 ; SIMILARITY ; NETWORKS ; SYSTEMS
WOS Research AreaAudiology & Speech-Language Pathology ; Linguistics ; Neurosciences & Neurology ; Psychology
WOS SubjectAudiology & Speech-Language Pathology ; Linguistics ; Neurosciences ; Psychology, Experimental
WOS IDWOS:000519336500002
QuartileQ1
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/31389
Collection中国科学院行为科学重点实验室
Corresponding AuthorXu, Min
Affiliation1.Shenzhen Univ, Ctr Brain Disorders & Cognit Sci, Nanhai Ave 3688, Shenzhen 518060, Guangdong, Peoples R China
2.Shenzhen Univ, Hlth Sci Ctr, Sch Biomed Engn, Shenzhen 518060, Peoples R China
3.Shenzhen Inst Neurosci, Ctr Language & Brain, Shenzhen 518057, Peoples R China
4.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Ctr Brain Sci & Learning Difficulties, Beijing 100101, Peoples R China
5.Univ Chinese Acad Sci, Dept Psychol, Beijing 100101, Peoples R China
6.Jiangsu Ocean Univ, Sch Comp Engn, Artificial Intelligence & Neuroinformat Engn ARIN, Lianyungang 222002, Peoples R China
Recommended Citation
GB/T 7714
Ou, Jian,Li, Wenlong,Yang, Yang,et al. Earlier second language acquisition is associated with greater neural pattern dissimilarity between the first and second languages[J]. BRAIN AND LANGUAGE,2020,203:8.
APA Ou, Jian,Li, Wenlong,Yang, Yang,Wang, Nizhuan,&Xu, Min.(2020).Earlier second language acquisition is associated with greater neural pattern dissimilarity between the first and second languages.BRAIN AND LANGUAGE,203,8.
MLA Ou, Jian,et al."Earlier second language acquisition is associated with greater neural pattern dissimilarity between the first and second languages".BRAIN AND LANGUAGE 203(2020):8.
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