文献详情
Neural changes underlying successful second language word learning: An fMRI study
文献类型期刊
作者Yang, Jing[1];Gates, Kathleen Marie[2];Molenaar, Peter[3];Li, Ping[4]
机构
通讯作者Li, P (reprint author), Penn State Univ, Dept Psychol, University Pk, PA 16802 USA.
2015
期刊名称JOURNAL OF NEUROLINGUISTICS影响因子和分区
33
,SI
页码范围29-49
增刊增刊
学科语言学;神经科学;心理学,实验
收录情况SSCI(WOS:000347766700004)  
所属部门外国语言学及应用语言学研究中心;英语教育学院
语言外文
ISSN0911-6044
DOI10.1016/j.jneuroling.2014.09.004
被引频次9
人气指数2110
浏览次数2106
基金US National Science Foundation [BCS-1157220, BCS-1338946]; National Key Research Center for Linguistics and Applied Linguistics, Guangdong University of Foreign Studies
关键词Second language word learning; Tonal learning; Individual differences; fMRI; Effective connectivity
摘要A great deal of research has examined behavioral performance changes associated with second language learning. But what changes are taking place in the brain as learning progresses? How can we identify differences in brain changes that reflect successes of learning? To answer these questions, we conducted a functional magnetic resonance imaging (fMRI) study to examine the neural activities associated with second language word learning. Participants were 39 native English speakers who had no prior knowledge of Chinese or other tonal language, and were trained to learn a novel tonal vocabulary in a six-week training session. Functional MRI scans as well as behavioral performances were obtained from these learners at two different times (pre- and post-training). We performed region of interest (ROI) and connectivity analyses to identify effective connectivity changes associated with success in second language word learning. We compared a learner group with a control group, and also examined the differences between successful learners and less successful learners within the learner group across the two time points. Our results indicated that (1) after training, learners and non-learners rely on different patterns of brain networks to process tonal and lexical information of target L2 words; (2) within the learner group, successful learners compared to less successful learners showed significant differences in language-related regions; and (3) successful learners compared to less successful learners showed a more coherent and integrated multi-path brain network. These results suggest that second language experience shapes neural changes in short-term training, and that analyses of these neural changes also reflect individual differences in learning success. (C) 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).
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