与虚拟身体增强相关的被动诱导运动感知的认知效应调节脊柱反射
Kohsuke Okada1,2,3, Megumi Okawada1,3, Masaki Yoneta1,4
1Department of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, Japan.
Journal of neurophysiology
|November 12, 2024
概括
视觉诱导的动感幻觉 (KINVIS) 增强了脊柱反射抑制. 这种大脑活动影响脊髓电路,为中风患者的性治疗提供了潜在的可能性.
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
- 康复科学 康复科学 康复科学
背景情况:
- 视觉刺激诱导的动感知觉 (KINVIS) 是一种基于虚拟现实的技术,可以抑制性.
- 基因维斯的神经机制,特别是它对皮下和脊柱电路的影响,需要进一步阐明.
- 了解这些机制对于优化KINVIS作为临床干预至关重要.
研究的目的:
- 调查KINVIS期间中央神经网络活动是否会影响皮层下神经回路.
- 为了确定KINVIS期间是否发生相互和前突触抑制.
- 为了检查KINVIS对肌底肌肉霍夫曼反射 (H-反射) 的影响.
主要方法:
- 17名健康参与者接受了外围神经刺激,以记录单体H反射.
- 参与者在观看视频时经历了脚部的背部动动感幻觉.
- 控制条件包括在没有幻觉的情况下观看相同的视频,并专注于静态的脚图像.
主要成果:
- 与对照条件相比,在动感错觉期间,单体肌肉的互交Ia抑制和D1预突触抑制都显著增强.
- 观察到的抑制增强是统计学上显著的 (P = 0.002对于Ia,P = 0.049对于D1).
- 基尼维斯显示出明显的抑制作用,对IA afferents的单突触反射循环.
结论:
- 视觉诱导的动感幻觉激活了调节脊柱抑制电路的大脑活动.
- 基尼维斯增强了互惠和前突触抑制,这表明抑制伸展反射过度兴奋的机制.
- 这些发现支持KINVIS作为一种非侵入性治疗策略的潜力,用于控制性,特别是在中风后康复中.
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