The Effect of a Single Session Rubber Hand Illusion on Pressure Pain Is Not Long-Lasting

IF 3.5 2区医学 Q1 ANESTHESIOLOGY

European Journal of Pain Pub Date : 2025-02-19 DOI:10.1002/ejp.70003

Hatice Ceylan, Nagihan Acet, Zafer Günendi

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引用次数: 0

Abstract

Background

Rubber hand illusion (RHI) is an experience that causes changes in body perception and awareness as a result of the integration of simultaneous perceived visual and tactile stimuli. After synchronous brush strokes with rubber and real hands, the person perceives the rubber hand as their own. RHI is known to alter pain perception. In this study, it was aimed to evaluate the effects of RHI on pressure pain threshold and continuity of this effect.

Methods

Twenty-three volunteers who developed RHI were included in our study and two conditions, illusion (synchronous) and control (asynchronous), were applied. The illusion condition was created by synchronous brush strokes, while the control condition was created by asynchronous brush application using different frequency and different finger areas in the same individuals. In both conditions, pressure pain threshold measurements with an algometer were performed at four times: baseline/1st measurement, during the brush stroke/2nd measurement, at the end of the brush stroke/3rd measurement and after the hand was removed from the environment/4th measurement.

Results

It was shown that RHI increased the pressure-pain threshold (p = 0.004) in healthy volunteers. Asynchronous brush strokes arranged as a control trial significantly decreased the pressure pain threshold (p = 0.002).

Conclusions

It was found that the threshold values that change during the brush strokes return to the initial state after the brush strokes are terminated and the rubber hand is removed from the environment so that the effect of the illusion does not last for a long time with a single session application.

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单次橡胶手错觉对压力疼痛的影响并不持久

橡胶手错觉（RHI）是一种由于同时感知的视觉和触觉刺激的整合而引起身体感知和意识变化的体验。在用橡胶手和真手同步刷洗之后，这个人就把橡胶手当成了自己的手。RHI被认为可以改变痛觉。本研究旨在评估RHI对压痛阈值的影响及其影响的连续性。方法选取23例RHI患者，采用错觉（同步）和对照（异步）两种情况。错觉条件是通过同步笔触产生的，而控制条件是通过在同一个体中使用不同频率和不同手指区域的异步笔触产生的。在这两种情况下，用计量器进行四次压力疼痛阈值测量：基线/第一次测量，刷笔划时/第二次测量，刷笔划结束时/第三次测量和手离开环境后/第四次测量。结果RHI提高了健康志愿者的压痛阈值（p = 0.004）。作为对照试验，安排异步笔触可显著降低压痛阈值（p = 0.002）。实验发现，在结束笔触并将橡胶手从环境中移除后，在笔触过程中变化的阈值会恢复到初始状态，从而使错觉的效果在单次应用中不会持续很长时间。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

European Journal of Pain 医学-临床神经学

CiteScore

7.50

自引率

5.60%

发文量

163

审稿时长

4-8 weeks

期刊介绍： European Journal of Pain (EJP) publishes clinical and basic science research papers relevant to all aspects of pain and its management, including specialties such as anaesthesia, dentistry, neurology and neurosurgery, orthopaedics, palliative care, pharmacology, physiology, psychiatry, psychology and rehabilitation; socio-economic aspects of pain are also covered. Regular sections in the journal are as follows: • Editorials and Commentaries • Position Papers and Guidelines • Reviews • Original Articles • Letters • Bookshelf The journal particularly welcomes clinical trials, which are published on an occasional basis. Research articles are published under the following subject headings: • Neurobiology • Neurology • Experimental Pharmacology • Clinical Pharmacology • Psychology • Behavioural Therapy • Epidemiology • Cancer Pain • Acute Pain • Clinical Trials.