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积极推断是否提供了安慰剂止痛的全面理论?
Christopher Milde1, Laura S Brinskelle1, Julia A Glombiewski1
1Department of Psychology, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Landau, Germany.
Biological psychiatry. Cognitive neuroscience and neuroimaging
|September 7, 2023
概括
安慰剂镇痛涉及到积极的推断,其中大脑积极调节感官输入以与疼痛预期保持一致. 这个模型解释了期望如何影响疼痛感知和疼痛调节的个体差异.
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:
- 安慰剂干预会在预期的疼痛和感官信号之间产生差异.
- 预测性处理模型解释了从杂的感觉数据推断,但不是安慰剂反应的生理基础或内源性疼痛调节的个体差异.
- 大脑通过感知推理推断疼痛状态,并通过主动推理积极调整感官处理以匹配预期.
研究的目的:
- 提出一种主动推理模型,解释疼痛缓解期望如何转化为生理学安慰剂反应.
- 为了考虑到内源性疼痛调节和安慰剂止痛的个体变化.
- 探索预测错误在调节疼痛感知中的作用.
主要方法:
- 基于预测处理和主动推理的理论框架开发.
- 讨论大脑对预测错误的解释 (学习与减弱).
- 分析影响先前预期的因素和感官数据权重 (压力,焦虑,不可预测性).
主要成果:
- 积极推断模型假定大脑根据预测错误解释启动相反的行为:促进学习或增强先前预期的影响.
- 内源性疼痛调节的个体差异与先前预期与感官数据的权衡有关.
- 压力,焦虑和疼痛不可预测性调节了这种权重,影响了安慰剂止痛.
结论:
- 积极推断通过强调大脑在调节疼痛感知方面的积极作用,为理解安慰剂止痛提供了一个框架.
- 未来的研究应该测试活性推理模型对安慰剂止痛和内源性疼痛调节的影响.
- 了解这些机制可以为管理疼痛和增强安慰剂反应的策略提供信息.
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