虚拟化身对身体完整性失调症患者的行为和神经影响
Jasmine T Ho1, Maria Niedernhuber2, Vanessa Frei3
1Department of Psychology, University of Zurich, Zurich, Switzerland; Department of Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, Zurich, Switzerland.
Journal of psychiatric research
|December 3, 2025
概括
虚拟现实 (VR) 增强了身体完整性障碍症 (BID) 患者的身体所有权,他们经历了截肢的虚拟身体. 这项技术在BID.中显示出治疗应用的潜力.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 人与计算机的交互
背景情况:
- 身体完整性障碍症 (BID) 涉及个体的身体形式和所需的身体状态之间的断开,有时包括截肢的愿望.
- 虚拟现实 (VR) 提供了一种新的,非侵入性的方法来调查身体所有权,感觉运动集成和身体模式可塑性.
研究的目的:
- 检查截肢肢体的虚拟化身对BID,截肢 (AMP) 和非临床对照 (NCC) 个体的行为,现象和神经生理影响.
- 评估虚拟身体视角 (第一人称与第三人称) 和完整性 (截肢与完整) 对身体所有权,代理和神经反应的影响.
主要方法:
- 参与者 (BID,AMP,NCC) 经历了沉浸式VR,与完整或截肢虚拟身体的同步视觉运动和视觉触觉刺激.
- 脑电图 (EEG) 测量了mu抑制 (8-13 Hz) 作为感觉运动共振的标记.
- 问卷评估了身体所有权和代理权; 一个腿长度估计任务评估了身体模式的变化.
主要成果:
- 患有BID的个人报告说,他们对截肢的虚拟身体拥有更高的所有权和代理权,特别是在第一人称视角上.
- 与AMP参与者相比,在BID中观察到更大的抑制,在所有组中,当体现截肢者与完整人体时,观察到更大的抑制.
- 化身一个截肢的化身导致腿的感知长度减少,表明身体模式的可塑性.
结论:
- 虚拟化身显著改变主观的身体体验,感觉运动神经活动和身体模式.
- 虚拟现实作为研究身体表征的有力工具,并可能为身体完整性障碍症提供治疗途径.
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