预测和编码声音变成行动在脊髓中翻译受伤的人
Luigi Grisoni1,2, Giulio Piperno1,3, Quentin Moreau1,3
1Department of Psychology, Sapienza University of Rome and CLN2S@sapienza, Istituto Italiano di Tecnologia IIT, Rome, Italy.
The European journal of neuroscience
|January 26, 2024
概括
脊髓损伤 (SCI) 损害了大脑对动作声音的反应,特别是在受损伤影响的身体部位. 这表明感觉运动体验对于维持运动共振和动作感知至关重要.
科学领域:
- 神经科学是一个神经科学.
- 发动机控制器的控制器
- 感官处理 感官处理
背景情况:
- 对动作刺激的运动激活可能依赖于响应机制来理解动作.
- 在这种机制中,先天与学习的感觉运动体验的作用仍然不清楚.
研究的目的:
- 为了研究脊髓损伤 (SCI) 对响应动作声音时大脑激活的影响.
- 探索损伤慢性化和运动共振机制之间的关系.
主要方法:
- 脑电图 (EEG) 记录了SCI (,四) 患者和健康对照者的大脑活动.
- 参与者听到SCI影响或不受影响的身体部位的动作声音,以及非动作声音.
- 源估计技术被用来确定大脑活动调节的起源.
主要成果:
- 患有SCI的个体对受损身体部位的动作声音的脑部活化减少.
- 这种减少在刺激前和刺激后的延迟时都被观察到.
- 相关性分析显示,较长的病变慢性与皮质活动较弱相关,表明前运动和主要运动区域的运动共振减弱.
结论:
- 感官运动体验对于维持预测和感知与行动相关的刺激所需的皮质表征至关重要.
- SCI破坏了运动共振机制,影响了动作声音感知.
- 这些发现支持传感运动集成的等级预测编码账户.
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