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首页> 外文期刊>The European Journal of Neuroscience >Left hemisphere motor facilitation in response to manual action sounds.
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Left hemisphere motor facilitation in response to manual action sounds.

机译:响应手动操作声音,有助于左半球运动。

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Abstract Previous studies indicate that the motor areas of both hemispheres are active when observing actions. Here we explored how the motor areas of each hemisphere respond to the sounds associated with actions. We used transcranial magnetic stimulation (TMS) to measure motor corticospinal excitability of hand muscles while listening to sounds. Sounds associated with bimanual actions produced greater motor corticospinal excitability than sounds associated with leg movements or control sounds. This facilitation was exclusively lateralized to the left hemisphere, the dominant hemisphere for language. These results are consistent with the hypothesis that action coding may be a precursor of language.
机译:摘要先前的研究表明,在观察动作时,两个半球的运动区域都是活动的。在这里,我们探索了每个半球的运动区域如何响应与动作相关的声音。我们使用经颅磁刺激(TMS)来测量听声音时手部肌肉的运动性皮质脊髓兴奋性。与双手动作或控制音相关的声音,与双手动作相关的声音产生更大的运动性皮质脊髓兴奋性。这项便利只限于左半球,即语言的主要半球。这些结果与行动编码可能是语言的先驱这一假设相一致。

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