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An event-related potential study on cross-modal conversion of Chinese characters
Wu, Qiuyan1,2; Deng, Yuan1; Deng, Y (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, 4A Datun Rd, Beijing 100101, Peoples R China.
2011-10-03
发表期刊NEUROSCIENCE LETTERS
ISSN0304-3940
文章类型Article
卷号503期号:2页码:147-151
产权排序1
摘要In the current study, we explored the effects of ERPs (event-related potentials), related to the cross-modal transfer from visual input to phonological retrieval. Using Chinese single-character words, participants were asked to make orthographic (intra-modal) and phonological (cross-modal) responses to visually presented words. By comparing the cross-modal and intra-modal tasks, we found that both tasks evoke similar activity in the early stage of lexical processing, showing the same pattern of N2 effect (a negative component peaking around 220 ms) and P2 effect (a positive component peaking around 270 ms). However, the effect of the task was significant in the 300-700 ms time window, consisting of a frontal-based N400 effect and a parietal based late positive component (LPC) effect. These findings suggest that the frontal-based N400 is associated with orthography-to-phonology mapping in Chinese, and the LPC reflects greater requirement of maintaining retrieved information in working memory for the cross-modal processing. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
关键词Cross-modal conversion Event-related potentials Chinese character N400 Late positive component
学科领域Psycholinguistics,
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收录类别SCI ; SSCI
语种英语
项目资助者Chinese Natural Science Foundation [30700232] ; Institute of Psychology, Chinese Academy of Sciences [O9CX052005]
项目简介This research was supported by Chinese Natural Science Foundation (30700232) and project for young scientists fund, Institute of Psychology, Chinese Academy of Sciences (O9CX052005) to Yuan Deng.
WOS记录号WOS:000296118500014
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/13548
专题中国科学院行为科学重点实验室
通讯作者Deng, Y (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, 4A Datun Rd, Beijing 100101, Peoples R China.
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Wu, Qiuyan,Deng, Yuan,Deng, Y . An event-related potential study on cross-modal conversion of Chinese characters[J]. NEUROSCIENCE LETTERS,2011,503(2):147-151.
APA Wu, Qiuyan,Deng, Yuan,&Deng, Y .(2011).An event-related potential study on cross-modal conversion of Chinese characters.NEUROSCIENCE LETTERS,503(2),147-151.
MLA Wu, Qiuyan,et al."An event-related potential study on cross-modal conversion of Chinese characters".NEUROSCIENCE LETTERS 503.2(2011):147-151.
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