Context-dependency of vicarious extinction learning

IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES
Armin Zlomuzica , Friederike Raeder , Sarah Reher , Miriam Lange , Ekrem Dere
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引用次数: 0

Abstract

Background and objectives

It is well documented that the fear of specific stimuli and situations can be acquired through the social observation of the actions of another person. In contrast, it is still a matter of debate, whether processes related to fear attenuation, extinction, and extinction-retrieval can equally be achieved through social observation after de novo fear conditioning.

Methods

Here, we used a differential fear conditioning procedure and investigated whether the variation of the context of video-based vicarious extinction learning (VEL) will affect subsequent extinction learning and extinction-retrieval. Conditioned fear acquisition, extinction, and extinction-retrieval was measured using psychophysiological (skin conductance responses) and subjective measures (CS-UCS contingency ratings and CS-valence ratings).

Results

Participants showed enhanced fear extinction learning after VEL as compared to controls. VEL improved extinction learning relative to controls but appeared to be highly context-dependent. The beneficial effect of VEL on subsequent extinction learning was abolished when the context in which the model was performing in the video was different from the context in which the observer performed all stages of the experiment.

Limitations

Data were obtained in a non-clinical sample which does not permit the extrapolation of findings to clinical populations.

Conclusion

Our results suggests that safety information derived from VEL promotes fear extinction when model and observer perform the experiment in the same context. Given that fear extinction is considered as an experimental proxy of exposure therapy, our findings might be instructive for the development of novel clinical interventions to promote exposure treatment efficacy.
替代消退学习的情境依赖性。
背景和目的:有充分的证据表明,对特定刺激和情境的恐惧可以通过对他人行为的社会观察而获得。相比之下,与恐惧衰减、消失和消失-恢复相关的过程是否可以通过从头开始的恐惧条件反射后的社会观察平等地实现,这仍然是一个争论的问题。方法:采用差异恐惧条件反射法,研究基于视频的替代灭绝学习(VEL)情境的变化是否会影响随后的灭绝学习和灭绝恢复。使用心理生理学(皮肤电导反应)和主观测量(CS-UCS偶然性评分和cs -效价评分)来测量条件恐惧的获得、消退和消退-恢复。结果:与对照组相比,参与者在VEL后表现出增强的恐惧消退学习。相对于对照组,VEL改善了灭绝学习,但似乎高度依赖于情境。当模型在视频中执行的上下文与观察者执行实验所有阶段的上下文不同时,VEL对随后的灭绝学习的有益影响就被取消了。局限性:数据是在非临床样本中获得的,不允许将研究结果外推到临床人群。结论:我们的研究结果表明,当模型和观察者在同一情境下进行实验时,来自VEL的安全信息促进了恐惧消退。鉴于恐惧消退被认为是暴露疗法的实验代理,我们的研究结果可能对开发新的临床干预措施以提高暴露治疗效果具有指导意义。
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来源期刊
Behavioural Brain Research
Behavioural Brain Research 医学-行为科学
CiteScore
5.60
自引率
0.00%
发文量
383
审稿时长
61 days
期刊介绍: Behavioural Brain Research is an international, interdisciplinary journal dedicated to the publication of articles in the field of behavioural neuroscience, broadly defined. Contributions from the entire range of disciplines that comprise the neurosciences, behavioural sciences or cognitive sciences are appropriate, as long as the goal is to delineate the neural mechanisms underlying behaviour. Thus, studies may range from neurophysiological, neuroanatomical, neurochemical or neuropharmacological analysis of brain-behaviour relations, including the use of molecular genetic or behavioural genetic approaches, to studies that involve the use of brain imaging techniques, to neuroethological studies. Reports of original research, of major methodological advances, or of novel conceptual approaches are all encouraged. The journal will also consider critical reviews on selected topics.
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