心理治疗的核心组成部分导致计算学习机制的适应性变化
Quentin Dercon1,2, Sara Z Mehrhof1, Timothy R Sandhu1,3
1MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK.
Psychological medicine
|June 8, 2023
概括
认知距离通过改善价值表达和增加对负面反的敏感性来增强学习. 这种情绪调节策略可以通过促进对负面信息的更好的参与来改善心理健康.
科学领域:
- 认知心理学 认知心理学
- 计算神经科学是一种神经科学.
- 临床心理学 临床心理学
背景情况:
- 认知距离是一种情绪调节策略,用于心理健康治疗.
- 认知距离的精确治疗机制仍然不清楚.
研究的目的:
- 调查认知距离背后的计算机制.
- 为了确定认知距离如何影响强化学习参数.
主要方法:
- 935名参与者完成了在线强化学习任务.
- 一半被随机分配到一个认知自我疏远干预.
- 计算模型 (Q-学习) 从选择中获得学习参数.
主要成果:
- 认知距离改善了任务性能和价值表示 (更高的反向温度).
- 疏远增加了对负面反的敏感性 (较高的损失学习率).
- 参与者将策略转向了随着时间的推移对负面反的更强的敏感性.
结论:
- 认知距离可以通过改变奖励和损失学习中的计算来改善心理健康.
- 练习认知距离可以增强与负面信息的接触,可能有助于改善症状.
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