注意力和nocebo过敏症:测试一种新的虚拟现实注意力偏差修改范式
Tessa Rooney1, Louise Sharpe1, Jemma Todd1
1School of Psychology, The University of Sydney, Australia.
The journal of pain
|October 26, 2024
概括
在VR中注意力偏差修改 (ABM) 成功改变了疼痛注意力偏差,但没有影响nocebo过敏症. 负面的期望和焦虑,而不是注意力偏差,推动了疼痛中的nocebo效应.
科学领域:
- 疼痛研究 疼痛研究
- 心理学 心理学 心理学
- 神经科学是一个神经科学.
背景情况:
- 诺塞博效应或诺塞博过敏症与负面期望和焦虑有关.
- 注意偏差可能在nocebo过敏症中起作用,但这种机制尚未得到充分探索.
- 虚拟现实 (VR) 为研究注意力偏差提供了一个生态有效的平台.
研究的目的:
- 调查VR中的注意力偏差修改 (ABM) 是否可以诱导与疼痛相关的注意力偏差.
- 为了确定诱导的注意偏差是否会影响nocebo过敏症.
- 在nocebo效应中检查注意力偏差,疼痛预期和焦虑之间的关系.
主要方法:
- 102名健康参与者被随机分配到2x2的设计中:AB训练 (向疼痛而不是远离疼痛) 和nocebo条件 (nocebo与对照).
- 为ABM使用VR范式,测量反应时间和目光,以评估注意力偏差.
- 参与者接受了nocebo诱导或控制程序,随后进行疼痛强度和心理测量.
主要成果:
- 虚拟现实范式成功诱导了与疼痛相关的注意力偏差 (中度到大效果).
- 与对照组相比,nocebo模式显著增加了疼痛预期,预期焦虑和疼痛强度.
- 疼痛预期完全调解了nocebo组和nocebo过敏症之间的关系.
- ABM没有影响nocebo过敏症或疼痛预期.
- 训练注意力远离疼痛意外地增加了状态和预期的焦虑.
结论:
- 虽然基于VR的ABM可以成功诱导与疼痛相关的注意偏差,但它似乎无法减轻nocebo过敏症.
- 负面的期望和焦虑是nocebo过敏症的关键驱动因素,独立于注意力偏差.
- 需要进一步的研究来了解注意力偏移训练的意外引起焦虑的影响.
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