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Functional organization of the primary motor cortex characterized by event-related fMRI during movement preparation and execution
Zang, YF; Jia, FC; Weng, XC; Li, EZ; Cui, SZ; Wang, YF; Hazeltine, E; Ivry, R
关键词Primary Motor Cortex Supplementary Motor Area Preparation Execution Sequential Movement Functional Magnetic Resonance Imaging Event-related Procedure
刊名NEUROSCIENCE LETTERS
2003-02-06
DOI10.1016/S0304-3940(02)1236-3
337期:2页:69-72
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Neurosciences
研究领域[WOS]Neurosciences & Neurology
关键词[WOS]SEQUENTIAL MOVEMENTS ; NEURONAL-ACTIVITY ; HUMAN BRAIN ; AREAS ; REPRESENTATIONS ; SUPPLEMENTARY ; PREMOTOR ; MONKEY ; TASK
英文摘要

Neuronal recording and neuroimaging studies have shown that the primary motor area (M1) not only participates in motor execution, but is also engaged during movement preparation. The purpose of the present study was to map the distribution of the preparation- and execution-related activity within the contralateral M1 using functional magnetic resonance imaging. Eleven subjects performed a delayed sequential finger movement task, in which a CUE signal indicated a movement sequence in advance of an imperative GO signal. The hemodynamic response related to the CUE and GO signals decreased in a linear fashion across the central sulcus, with activity greater along the lateral extent compared to the medial extent. This decrease was especially evident in the epoch following the CUE. Our data reveal a pattern of functional organization within M1 related to the preparation and execution of movement sequences. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.

语种英语
WOS记录号WOS:000180756100002
引用统计
被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/53721
专题北京大学精神卫生研究所
作者单位1.Chinese Acad Sci, Inst Psychol, Lab Higher Brain Funct, Beijing 100101, Peoples R China
2.Peking Univ, Inst Mental Hlth, Beijing 100083, Peoples R China
3.Shougang Gen Hosp, Dept MRI, Beijing 100041, Peoples R China
4.Univ Calif Berkeley, Dept Psychol, Berkeley, CA 94720 USA
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Zang, YF,Jia, FC,Weng, XC,et al. Functional organization of the primary motor cortex characterized by event-related fMRI during movement preparation and execution[J]. NEUROSCIENCE LETTERS,2003,337(2):69-72.
APA Zang, YF.,Jia, FC.,Weng, XC.,Li, EZ.,Cui, SZ.,...&Ivry, R.(2003).Functional organization of the primary motor cortex characterized by event-related fMRI during movement preparation and execution.NEUROSCIENCE LETTERS,337(2),69-72.
MLA Zang, YF,et al."Functional organization of the primary motor cortex characterized by event-related fMRI during movement preparation and execution".NEUROSCIENCE LETTERS 337.2(2003):69-72.
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