心脏周期阶段调节心跳增强手幻觉期间的疼痛处理
Wenxiao Gong1,2, Qiao Xu2, Kun Liang2
1Special Education College, Beijing Union University, Beijing, China.
Psychophysiology
|October 14, 2025
概括
心脏周期的透静期减少疼痛强度和不愉快感,独立于身体所有权幻想. 这一发现澄清了心律如何影响疼痛感知.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 疼痛研究 疼痛研究
背景情况:
- 疼痛感知受到整感受信号的影响,包括心律.
- 身体所有权幻觉 (BOI) 是通过整感信号调节的,但它们对疼痛处理的影响仍在争论中.
- 目前尚不清楚心脏阶段特异性疼痛调制是否独立于BOI.
研究的目的:
- 研究心脏周期对疼痛处理的影响.
- 为了确定身体所有权幻想 (BOI) 对疼痛感知的影响.
- 为了检查心脏周期和BOI在调节疼痛中的相互作用.
主要方法:
- 一个虚拟现实手幻觉 (VR-RHI) 范式被用来诱导BOI.
- 疼痛的电刺激是在心脏缩和放缩阶段进行的.
- 在BOI和控制 (对象) 条件下,通过值,强度/不愉快度等级和体感唤起潜力 (SEPs) 评估疼痛感知.
主要成果:
- 与静缩期相比,静缩期显著降低了疼痛强度和不愉快感.
- 扩张性刺激也导致了体感唤起潜能 (SEP) 幅度的减少.
- 无论是BOI还是其与心脏周期的相互作用都没有显著影响疼痛指标.
结论:
- 心脏循环阶段独立调节疼痛感知,而透静阶段是低痛性.
- 身体所有权幻想不会影响心脏相位依赖的疼痛调节.
- 这些发现揭示了整体感应和身体所有权在疼痛处理中的作用.
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