人类对自动运动和定向的感知在电磁前庭刺激和物理运动期间
Aaron R Allred1, Caroline R Austin1, Lanna Klausing1
1Bioastronautics Laboratory, Smead Department of Aerospace Engineering Sciences, University of Colorado-Boulder, Boulder, Colorado, United States of America.
PLoS computational biology
|November 18, 2024
概括
动前庭刺激 (GVS) 改变了身体运动期间的自我定向感知. 这项研究量化了GVS效应,并对其对空间定向的影响进行了建模,揭示了不规则的 afferent 动态是关键.
科学领域:
- 神经科学是一个神经科学.
- 人类的感知 人类的感知
- 计算机建模 计算建模
背景情况:
- 动前庭刺激 (GVS) 是一种新兴的技术,用于调节前庭系统.
- 在物理运动期间GVS对自我定向感知的影响仍然不清楚.
研究的目的:
- 量化GVS如何影响在被动全身滚动倾斜时的滚动倾斜感知.
- 开发一个计算模型,预测在GVS和运动下自我运动和自我定向感知.
主要方法:
- 人类参与者 (N=11) 接受了被动全身滚动倾斜,同时进行GVS.
- 开发了一种新的计算模型,该模型结合了由GVS调节的前体 afferent神经元动力学.
主要成果:
- 根据GVS波形,GVS系统地放大或减弱滚动倾斜感知.
- 开发的模型准确地预测了自我运动和自我定向的感知.
- 发现不规则的前体 afferent 动态最好地描述了由此产生的感知.
结论:
- 在物理运动过程中,GVS可以系统地改变空间定向感知.
- 计算模型为理解GVS对前庭介导通路的影响提供了一个框架.
- 在GVS引起的感知变化中,垂体 afferent 动力学起着至关重要的作用.
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