社会焦虑障碍中的注意力异质性:隐藏马尔科夫模型的证据
Mikael Rubin1, Karl Muller2, Mary M Hayhoe2
1Department of Psychology, The University of Texas at Austin, TX, USA; Department of Psychology, Palo Alto University, CA, USA.
Behaviour research and therapy
|December 22, 2023
概括
患有社会焦虑障碍的人在公开演讲任务中表现出明显的注意力模式,例如以观众为中心或回避. 在虚拟现实暴露治疗后,这些差异会减少,这表明治疗成功的潜在机制.
科学领域:
- 心理学 心理学 心理学
- 认知神经科学 认知神经科学
- 临床心理学 临床心理学
背景情况:
- 社会焦虑障碍 (SAD) 的特点是注意力过程的异质性.
- 有限的研究存在于注意力差异如何在自然的背景下机械地运作,如公开演讲.
研究的目的:
- 在虚拟现实 (VR) 公开演讲任务中调查SAD个体的注意力异质性.
- 为了确定不同的注意力概况是否在治疗后发生变化,并预测治疗结果.
主要方法:
- 来自VR暴露治疗研究的数据的二次分析,该研究涉及患有SAD的个人 (N=21).
- 在治疗前,治疗后和1周的随访期间,在VR公开演讲挑战中利用眼睛跟踪.
- 应用隐藏马尔科夫模型 (HMM) 采用聚类来识别注意力配置文件并评估变化.
主要成果:
- 在治疗前确定了两个不同的注意力概况:以观众为中心和避免观众.
- 在1周的随访后,这些个人资料不再有显著差异.
- 在治疗后的HMM组之间发现了公开演讲恐惧的显著差异,但在随访时没有发现.
- 避开观众的模式与VR暴露治疗中较差的结果有关.
结论:
- 研究结果支持ADS的注意力异质性,这种异质性似乎可以通过治疗来改变.
- 初步证据表明,注意力回避模式可以预测VR暴露治疗社会焦虑的治疗结果.
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