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Intrinsically organized network for word processing during the resting state
Zhao, Jizheng2; Liu, Jiangang3; Li, Jun2; Liang, Jimin2; Feng, Lu4; Ai, Lin1; Lee, Kang5,6; Tian, Jie2,4
发表期刊NEUROSCIENCE LETTERS
2011-01-03
卷号487期号:1页码:27-31
文章类型Article
摘要Neural mechanisms underlying word processing have been extensively studied. It has been revealed that when individuals are engaged in active word processing, a complex network of cortical regions is activated. However, it is entirely unknown whether the word-processing regions are intrinsically organized without any explicit processing tasks during the resting state. The present study investigated the intrinsic functional connectivity between word-processing regions during the resting state with the use of fMRI methodology. The low-frequency fluctuations were observed between the left middle fusiform gyrus and a number of cortical regions. They included the left angular gyrus, left supramarginal gyrus, bilateral pars opercularis, and left pars triangularis of the inferior frontal gyrus, which have been implicated in phonological and semantic processing. Additionally, the activations were also observed in the bilateral superior parietal lobule and dorsal lateral prefrontal cortex, which have been suggested to provide top-down monitoring on the visual-spatial processing of words. The findings of our study indicate an intrinsically organized network during the resting state that likely prepares the visual system to anticipate the highly probable word input for ready and effective processing. (C) 2010 Elsevier Ireland Ltd. All rights reserved.
关键词Resting State Word Processing Visual Word Form Area (Vwfa) Chinese Character Processing Intrinsic Functional Connectivity
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]FUNCTIONAL CONNECTIVITY ; FORM AREA ; CHINESE CHARACTERS ; CORTEX ; GYRUS ; FMRI ; RECOGNITION ; CHILDREN
收录类别SCI
语种英语
WOS研究方向Neurosciences & Neurology
WOS类目Neurosciences
WOS记录号WOS:000285495100007
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被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/3951
专题中国科学院分子影像重点实验室
通讯作者Tian, Jie
作者单位1.Capital Med Univ, Dept Radiol, Beijing Tiantan Hosp, Beijing Neurosurg Inst, Beijing 100050, Peoples R China
2.Xidian Univ, Life Sci Res Ctr, Sch Life Sci & Technol, Xian 710071, Peoples R China
3.Beijing Jiaotong Univ, Sch Comp & Informat Technol, Beijing 100044, Peoples R China
4.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China
5.Univ Calif San Diego, Dept Psychol, San Diego, CA 92103 USA
6.Univ Toronto, Inst Child Study, Toronto, ON M5R 2X2, Canada
通讯作者单位中国科学院自动化研究所
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Zhao, Jizheng,Liu, Jiangang,Li, Jun,et al. Intrinsically organized network for word processing during the resting state[J]. NEUROSCIENCE LETTERS,2011,487(1):27-31.
APA Zhao, Jizheng.,Liu, Jiangang.,Li, Jun.,Liang, Jimin.,Feng, Lu.,...&Tian, Jie.(2011).Intrinsically organized network for word processing during the resting state.NEUROSCIENCE LETTERS,487(1),27-31.
MLA Zhao, Jizheng,et al."Intrinsically organized network for word processing during the resting state".NEUROSCIENCE LETTERS 487.1(2011):27-31.
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