Involvement of the cerebellum in semantic discrimination: An fMRI study
Xiang, HD; Lin, CY; Ma, XH; Zhang, ZQ; Bower, JM; Weng, XC; Gao, JH; Xuchu Weng
2003-03-01
发表期刊HUMAN BRAIN MAPPING
ISSN1065-9471
文章类型Article
卷号18期号:3页码:208-214
摘要We investigated, using functional magnetic resonance imaging (fMRI), whether semantic discrimination, an inner linguistic task without overt articulation, can elicit activation in the cerebellum. Six subjects performed three semantic tasks with different loads of discrimination while being scanned. All three semantic tasks activated distributed brain areas, including the right posterior inferior cerebellum. Much stronger activation was found in the cerebellum in more difficult tasks, in terms of the activation volume and signal intensity. These results suggest that the cerebellum activation is involved in semantic discrimination and is modulated by discrimination difficulty. Hum. Brain Mapping 18:208-214, 2003.; We investigated, using functional magnetic resonance imaging (fMRI), whether semantic discrimination, an inner linguistic task without overt articulation, can elicit activation in the cerebellum. Six subjects performed three semantic tasks with different loads of discrimination while being scanned. All three semantic tasks activated distributed brain areas, including the right posterior inferior cerebellum. Much stronger activation was found in the cerebellum in more difficult tasks, in terms of the activation volume and signal intensity. These results suggest that the cerebellum activation is involved in semantic discrimination and is modulated by discrimination difficulty. Hum. Brain Mapping 18:208-214, 2003. (C) 2003 Wiley-Liss, Inc.
关键词cerebellum language semantic discrimination MRI fMRI
学科领域认知神经科学 ; 生理心理学/生物心理学
收录类别SCI ; SSCI
语种英语
WOS记录号WOS:000181381900009
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被引频次:70[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/5501
专题中国科学院心理研究所回溯数据库(1956-2010)
通讯作者Xuchu Weng
作者单位1.Chinese Acad Sci, Inst Psychol, Lab Higher Brain Funct, Beijing 100101, Peoples R China
2.Capital Med Univ, Anzhen Hosp, Dept Radiol, Beijing, Peoples R China
3.Univ Texas, Hlth Sci Ctr, Res Imaging Ctr, San Antonio, TX USA
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Xiang, HD,Lin, CY,Ma, XH,et al. Involvement of the cerebellum in semantic discrimination: An fMRI study[J]. HUMAN BRAIN MAPPING,2003,18(3):208-214.
APA Xiang, HD.,Lin, CY.,Ma, XH.,Zhang, ZQ.,Bower, JM.,...&Xuchu Weng.(2003).Involvement of the cerebellum in semantic discrimination: An fMRI study.HUMAN BRAIN MAPPING,18(3),208-214.
MLA Xiang, HD,et al."Involvement of the cerebellum in semantic discrimination: An fMRI study".HUMAN BRAIN MAPPING 18.3(2003):208-214.
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