安慰剂效应有助于慢性疼痛的简短在线正念干预:来自在线随机模拟控制试验的结果
Jonathan N Davies1,2,3, Ben Colagiuri1, Louise Sharpe1
1School of Psychology, University of Sydney, Sydney, Australia.
Pain
|June 13, 2023
概括
正念冥想在慢性疼痛缓解方面没有超过假控制. 在这项研究中,疼痛不愉快的改善与安慰剂效应有关,而不是正念特异性机制.
科学领域:
- 心理学 心理学 心理学
- 疼痛管理 疼痛管理
- 行为医学是一种行为医学.
背景情况:
- 正念应用程序越来越多地用于慢性疼痛和心理健康.
- 证据证明它们的有效性是混合的,从正念特异性对抗安慰剂效应的不清楚贡献.
- 之前没有任何试验直接将正念与虚假对照进行比较,以隔离这些影响.
研究的目的:
- 为了比较正念与两个假状况,与正念有不同的相似之处.
- 描述正念特定和非特定过程在慢性疼痛中的作用.
- 为了评估单个在线会话对疼痛强度和不愉快感的影响.
主要方法:
- 169名患有慢性疼痛的成年人被随机分配到20分钟的在线正念课程,具体的假正念,一般的假正念或有声书控制.
- 评估疼痛强度,不愉快感和相关心理过程的变化.
- 分析了理论化的正念特定过程的差异性参与.
主要成果:
- 在减少疼痛强度或不愉快感方面,正念并不优于假设条件.
- 两组之间没有观察到对正念特定过程的参与的差异.
- 与有声书对照组相比,正念和两种骗局都减少了疼痛和不愉快的感觉.
- 预期是减少疼痛不愉快感的最强有力的预测因素.
结论:
- 单个会话在线正念冥想对慢性疼痛不愉快的影响可能是由安慰剂效应驱动的.
- 预期和疼痛灾难化等非特定因素似乎会调解立即的疼痛减轻.
- 需要进一步的研究来确定长期在线培训是否会产生正念特异效应.
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