担心和反省引起类似的神经表现:神经成像证据表明,反复的负面思维是重复性的
Nikki A Puccetti1,2, Caitlin A Stamatis3,4, Kiara R Timpano5
1Department of Psychiatry, The Ohio State University Wexner Medical Center, 1670 Upham Dr, Columbus, OH, 43210, USA. Nicole.puccetti@osumc.edu.
Cognitive, affective & behavioral neuroscience
|November 19, 2024
概括
重复的负面思维,包括担忧和反省,在关键网络中共享类似的大脑活动. 这一发现支持反复反复的负面思维的认知和临床模型.
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
- 精神病学是一个精神病学.
背景情况:
- 重复的负面思维 (RNT) 包括担心和反省.
- 对于RNT的神经支柱的理解还不完全,因为研究经常将担忧或反隔离出来.
研究的目的:
- 在一个单一的范式中,研究忧虑和反的重叠神经结构.
- 探索特征RNT与担忧和反的神经编码之间的关系.
主要方法:
- 开发了一种新的功能磁共振成像 (fMRI) 范式,以引起特征性担忧和反省.
- 招募了39名具有不同特征RNT分数的年轻人.
- 利用多变量表示相似性分析 (RSA) 并测量并发情绪和心率.
主要成果:
- 代表性相似性分析显示,在默认模式,突出性和前端对象控制网络中,担忧和反的神经编码类似.
- 在焦虑和反条件之间没有观察到心率的显著差异.
- 神经模式支持自我参考处理,记忆,突出检测和认知控制.
结论:
- 担心和反在分布式大脑网络中共享共同的神经基质.
- 这些发现为重复的负面思维的认知和临床模型提供了实证支持.
- 这项研究促进了对RNT的神经基础的理解.
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