在患有慢性疼痛的个体中,Pavlovian-to-instrumental转移
Angelos-Miltiadis Krypotos1, Rachel Sjouwerman2, Mathijs Teppers3
1Research Group of Healthy Psychology, KU Leuven, Belgium; Department of Clinical Psychology, Utrecht University, Netherlands.
Behaviour research and therapy
|March 7, 2024
概括
避免疼痛是慢性残疾的一个关键因素,可以在没有直接疼痛关联的情况下获得. 这一新发现提出了新的方法来测量和理解患者和健康个体的疼痛避免机制.
科学领域:
- 心理学 心理学 心理学
- 神经科学是一个神经科学.
- 疼痛研究 疼痛研究
背景情况:
- 避免疼痛是慢性残疾发展的一个关键因素.
- 传统的方法研究疼痛避免的收购 (帕夫洛夫和仪器程序) 可能不能完全反映现实世界的场景.
- 需要新的范式来更有效地研究避免疼痛的机制.
研究的目的:
- 调查疼痛回避是否可以在没有明确的提示-疼痛遗漏关联的情况下获得.
- 探索患有疼痛和健康对照人群之间的疼痛避免获得的差异.
- 为测量疼痛避免引入一种新的范式.
主要方法:
- 参与者学会了通过操作握棒来避免痛苦的刺激.
- 采用了一种新的避免疼痛的范式,涉及被动暴露于与疼痛或没有疼痛结合的形状.
- 当遇到以前与疼痛相关的和非相关的形状时,测量了行为反应 (抓杆压力).
主要成果:
- 参与者对以前与疼痛相关的形状表现出了增加的避开行为 (大力按住抓杆).
- 即使没有直接的提示-疼痛遗漏学习,也观察到这种回避反应.
- 在疼痛患者和健康对照人群之间,没有发现这种避免效应的显著差异.
结论:
- 避免疼痛可以很容易地获得,没有线索和疼痛遗漏之间的直接关联.
- 这种新型范式为评估疼痛避免提供了一种新的方法.
- 这些发现有助于更好地了解慢性疼痛疾病中回避行为是如何建立的.
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