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Robust and Task-Independent Spatial Profile of the Visual Word Form Activation in Fusiform Cortex
Ma, Lifei1; Jiang, Yi1,2; Bai, Jian'e1; Gong, Qiyong3; Liu, Haicheng1; Chen, Hsuan-Chih4; He, Sheng2; Weng, Xuchu1,5; Ma, LF (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China.
2011-10-14
发表期刊PLOS ONE
ISSN1932-6203
文章类型Article
卷号6期号:10页码:e26310
产权排序1
摘要Written language represents a special category of visual information. There is strong evidence for the existence of a cortical region in ventral occipitotemporal cortex for processing the visual form of written words. However, due to inconsistent findings obtained with different tasks, the level of specialization and selectivity of this so called visual word form area (VWFA) remains debated. In this study, we examined category selectivity for Chinese characters, a non-alphabetic script, in native Chinese readers. In contrast to traditional approaches of examining response levels in a restricted predefined region of interest (ROI), a detailed distribution of the BOLD signal across the mid-fusiform cortical surface and the spatial patterns of responses to Chinese characters were obtained. Results show that a region tuned for Chinese characters could be consistently found in the lateral part of the left fusiform gyrus in Chinese readers, and this spatial pattern of selectivity for written words was not influenced by top-down tasks such as phonological or semantic modulations. These results provide strong support for the robust spatial coding of category selective response in the mid-fusiform cortex, and demonstrate the utility of the spatial distribution analysis as a more meaningful approach to examine functional magnetic resonance imaging (fMRI) data.
学科领域Perception Psychology
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收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China [31070903, 31070905] ; National Science Foundation of US [BCS-0818588] ; Chinese Ministry of Science and Technology [2007CB512300] ; Chinese University of Hong Kong ; United States NIH [R01-EY002934, BTRR P41 RR008079, P30 NS057091] ; MIND foundation
项目简介This research was supported by grants from the National Natural Science Foundation of China (31070903 and 31070905); National Science Foundation of US (BCS-0818588); Chinese Ministry of Science and Technology (2007CB512300); a departmental grant from the Chinese University of Hong Kong; United States NIH (R01-EY002934, BTRR P41 RR008079, and P30 NS057091); the MIND foundation. http://www.nsfc.gov.cn/Portal0/default124.htm. http://www.nsf.gov/index.jsp. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
WOS记录号WOS:000295981600053
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/13250
专题中国科学院心理健康重点实验室
通讯作者Ma, LF (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China.
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
2.Univ Minnesota, Dept Psychol, Minneapolis, MN 55455 USA
3.Sichuan Univ, HMRRC, Dept Radiol, W China Hosp, Chengdu 610064, Peoples R China
4.Chinese Univ Hong Kong, Dept Psychol, Hong Kong, Hong Kong, Peoples R China
5.Hangzhou Normal Univ, Ctr Cognit & Brain Disorders, Hangzhou, Zhejiang, Peoples R China
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Ma, Lifei,Jiang, Yi,Bai, Jian'e,et al. Robust and Task-Independent Spatial Profile of the Visual Word Form Activation in Fusiform Cortex[J]. PLOS ONE,2011,6(10):e26310.
APA Ma, Lifei.,Jiang, Yi.,Bai, Jian'e.,Gong, Qiyong.,Liu, Haicheng.,...&Ma, LF .(2011).Robust and Task-Independent Spatial Profile of the Visual Word Form Activation in Fusiform Cortex.PLOS ONE,6(10),e26310.
MLA Ma, Lifei,et al."Robust and Task-Independent Spatial Profile of the Visual Word Form Activation in Fusiform Cortex".PLOS ONE 6.10(2011):e26310.
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