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拇指屈伸运动诱发的脑电位的变化
引用本文:胡爱玲. 拇指屈伸运动诱发的脑电位的变化[J]. 西安交通大学学报(医学版), 1996, 0(3)
作者姓名:胡爱玲
摘    要:观察各运动变量对拇指屈伸运动诱发脑电位的影响。当拇指运动时施以一定的抗屈负荷,随负荷的增加,脑电位中的N1波发生趋于提前;N2波与运动时的峰速度呈正相关;而且P2、N3波的发生则分别与屈曲运动的完成和伸张运动的起始有关。

关 键 词:运动诱发电位;负荷;运动变量

THE CHANGE OF THE SCULP RECORDED POTENTIALS RELATED TO THE THUMB FLEXION-EXTENSION MOVEMENT TASK
Affiliation:Editorial Board of Journal of Xi'an Medical University
Abstract:The sculp recorded potentials were observed during the thumb flexion-extension movement task. It was showed that specific components of the sculp recorded potentials were influenced by movement variables. The onset time of the N1 component tended to occurring earlier as the load opposing ponent was positively correlated with the onset of peak flexion velocity. The onset time of the P2 and N3, was respectively the correlated with the completion of the flexion phase and the onset of the extention phase of the movement.
Keywords:sculp recorded potentials  load  thumb flexion-extension  movement variables
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