身体表情的维护在工作记忆处理过程中调节前额叶皮和外层身体区域之间的功能连接
Jie Ren1,2, Mingming Zhang1,2, Shuaicheng Liu1,2
1Key Laboratory of Brain and Cognitive Neuroscience, Liaoning Province, Dalian 116029, China.
Brain sciences
|January 8, 2025
概括
情绪的身体表达在前额叶皮层 (PFC) 和外层身体区域 (EBA) 中被处理. 这项研究表明,在视觉工作记忆 (VWM) 过程中,对于情绪性身体刺激,PFC-EBA连接性提高.
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
- 神经成像是一种神经成像.
背景情况:
- 身体表达是视觉刺激在视觉工作记忆 (VWM) 中处理.
- 前额叶皮质 (PFC) 对于VWM中自上而下的控制至关重要.
- 对于PFC在人体表情的VWM存储中的作用尚不完全理解.
研究的目的:
- 调查情绪体是否会增加PFC和外层身体区域 (EBA) 的大脑活动.
- 为了确定情绪刺激是否在VWM延迟期间调节PFC和EBA内的功能连接.
主要方法:
- 使用了功能磁共振成像 (fMRI).
- 参与者执行了一个延迟反应任务,包括查看和记住身体刺激 (快乐,愤怒,中立).
- 心理生理相互作用 (PPI) 模型分析了延迟期间的功能连接性.
主要成果:
- 单变量和多变量分析显示,在刺激呈现期间,左侧PFC和左侧EBA的激活增加.
- 功能连接分析显示,在延迟期内,与中性身体相比,快乐和愤怒的身体具有增强的PFC-EBA合.
结论:
- 在VWM维护期间,情绪刺激调节PFC和EBA之间的功能合.
- 这种情绪调节的连接性加深了对VWM对身体信息处理的理解.
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