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人类杏仁体中的β频段功率调制区分了手臂伸展任务中的去/不去反应

Ryan S Chung¹, Roberto Martin Del Campo Vera¹, Shivani Sundaram¹

¹Department of Neurological Surgery, Keck School of Medicine of USC, University of Southern California, Los Angeles, CA, United States of America.

Journal of neural engineering

|July 3, 2024

概括

这项研究发现,在运动控制任务期间,杏仁体β频段功率的明显变化. 杏仁体活动在运动执行过程中减少,在运动抑制过程中增加,这表明它在自愿运动行为中的作用.

科学领域:

神经科学是一个神经科学.
运动控制研究运动控制研究
人类电生理学人类电生理学

背景情况:

杏仁体传统上与情绪处理有关.
它在运动控制,特别是运动执行和抑制方面的作用不太清楚.
杏仁体参与运动任务的神经机制需要进一步研究.

研究的目的:

为了描述桃体β频段 (13-30 Hz) 在去/不去手臂伸展任务中的功率.
探索杏仁体在自愿运动执行和抑制中的参与.
为了研究与运动控制相关的杏仁体的神经振荡.

主要方法:

立体电脑电图 (SEEG) 用于十名患者,使用杏仁体电极.
数据是在一个涉及移动或扣留移动的Go/No-go手臂伸展任务中记录的.
多阶段功率分析和统计测试评估了响应和基线阶段之间的β频段功率调制.

主要成果:

在9/10的参与者中,在"Go"状态 (运动执行) 期间,在杏仁体中观察到相对β带功率的显著下降.
在8/10的参与者中,在"no-go"状态 (运动抑制) 期间,在杏仁体中观察到相对β带功率的显著增加.
在运动任务期间,在ipsilateral和contralateral杏仁体区域都发生了显著的β带功率调节.

结论:

这项研究表明,在自愿运动执行和抑制过程中,人类杏仁体中的β频段功率调节.
研究结果表明,杏仁体振荡在区分运动抑制和执行方面发挥着作用.
这项研究扩大了对杏仁体功能的理解,超越了情绪处理到运动控制.

关键词:

阿米格达拉的桃体伸出手臂的运动 (ARM)贝塔频段的电源电源.中心出中心的任务任务.神经调制的神经调制立体电脑电图 (SEEG) 是一种立体电脑电图.

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