对不确定性的不容忍增加了对有条件威胁的概括性:与事件相关的潜在研究
Xiao Zhou1, Yuanyuan Gu1, Jinxia Wang1
1Institute of Brain and Psychological Sciences, Sichuan Normal University, Chengdu, China.
Biological psychology
|June 9, 2023
概括
高度不容忍不确定性 (IU) 放大了威胁的泛化,特别是在不可预测的情况下. 这可能涉及对模两可的线索的高度关注和高IU个体的处理减少.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 临床心理学 临床心理学
背景情况:
- 过度概括与焦虑症和不容忍不确定性 (IU) 有关.
- 将UI与威胁泛化联系在一起的机制尚不清楚.
- 以前的研究表明,关于IU和不确定性的结果不一致.
研究的目的:
- 调查IU对威胁泛化的影响.
- 检查可预测和不可预测条件之间的作用.
- 通过电生理学测量来探索潜在的机制.
主要方法:
- 与高IU和低IU参与者进行比较 (N=69).
- 衡量自我报告的无条件刺激 (US) 预期.
- 在一般化任务中记录的事件相关潜力 (ERP).
主要成果:
- 高IU的参与者显示,美国对概括刺激 (GS) 的期望更高.
- 高IU组在不可预测的条件下表现出增加的P1和早期LPP到GS的减少.
- 在可预测的条件下,没有观察到晚期LPP的显著差异.
结论:
- 对不确定性的不容忍增加了威胁的普遍化.
- 机制可能涉及增加对模两可的刺激的早期注意力和在不确定性下受损的晚期处理.
- 这些发现可能会为与高IU相关的情绪障碍的治疗提供信息.
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