大脑区域之间广泛的功能连接涉及到心理图像的生产和恐惧恐惧在情绪和中性心理图像的过程中
Thomas Agren1, Johanna M Hoppe2
1Department of Psychology, Uppsala University, Uppsala, Sweden; Department of Occupational Health, Psychology and Sports Science, University of Gävle, Gävle, Sweden.
Behavioural brain research
|February 4, 2024
概括
心理图像强烈影响情绪,是心理健康的关键. 这项研究发现,图像和恐惧的大脑区域高度联系在一起,在恐惧图像中存在微小的差异.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 临床心理学 临床心理学
背景情况:
- 心理图像在日常认知,情绪调节和精神障碍方面发挥着至关重要的作用.
- 了解心理图像和情感之间的联系的神经基础对于临床应用,如曝光疗法至关重要.
- 以前的研究表明,想象可怕的刺激可以引起与实际感知相似的生理和神经反应.
研究的目的:
- 研究与心理图像和恐惧相关的大脑区域内的功能连接.
- 探索神经区别在生产恐惧与中性心理图像的过程中.
主要方法:
- 利用功能磁共振成像 (fMRI) 数据从以前的研究对影像暴露 (N=30).
- 从大脑区域的元分析中选择了感兴趣的区域,这些区域涉及到心理图像和恐惧恐惧.
- 在恐惧和中立的心理图像任务中分析了这些区域之间的功能连接.
主要成果:
- 在恐惧和中立心理图像期间,在选定的大脑区域之间观察到功能连接的显著正相关性.
- 在恐惧和中立图像条件之间检测到功能连接的最小差异.
- 一个值得注意的发现是,与中性图像相比,在恐惧图像期间,补充运动区域和左侧胰岛/下侧额头圈区域之间的功能连接较弱.
结论:
- 参与心理图像产生和恐惧恐惧的大脑区域具有高度的相互连接性.
- 这些发现表明,共享的神经网络是一般心理图像和与恐惧相关的图像的基础.
- 观察到的微妙差异可能提供了关于在心理图像过程中处理恐惧的神经机制的见解.
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