Sensorimotor attenuation by central motor command signals in the absence of movement

被引：156

作者：

Voss, M

Ingram, JN

Haggard, P

Wolpert, DM

机构：

[1] Inst Neurol, Sobell Dept Motor Neurosci, London WC1N 3BG, England

[2] Inst Cognit Neurosci, London WC1N 3AR, England

[3] Dept Psychol, London WC1N 3AR, England

来源：

NATURE NEUROSCIENCE | 2006年 / 9卷 / 01期

基金：

英国惠康基金;

关键词：

D O I：

10.1038/nn1592

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Voluntary actions typically produce suppression of afferent sensation from the moving body part. We used transcranial magnetic stimulation to delay the output of motor commands from the motor cortex during voluntary movement. We show attenuation of sensation during this delay, in the absence of movement. We conclude that sensory suppression mainly relies on central signals related to the preparation for movement and that these signals are upstream of primary motor cortex.

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收藏

页码：26 / 27

页数：2

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