休息心率变化与神经适应有关,当重复暴露于情绪刺激时,神经适应
Jungwon Min1, Julian Koenig2, Kaoru Nashiro1
1University of Southern California, Irvine, CA, United States.
Neuropsychologia
|February 15, 2024
概括
更高的静止心率变化 (HRV) 与更好的情绪调节有关. 高HRV的个体在观看情感图像时表现出明显的脑活动模式,这表明HRV与大脑的情感处理之间存在联系.
科学领域:
- 神经科学是一个神经科学.
- 心理生理学 心理生理学
- 认知科学 认知科学
背景情况:
- 较高的静止心率变化 (HRV) 与增强的情绪调节相关.
- 神经体整合模型提出HRV反映了大脑对情绪反应的适应性调制.
- 直接的神经成像证据将HRV与情绪调节联系起来是有限的.
研究的目的:
- 调查与休息HRV相关的情绪调节的神经相关性.
- 检查HRV的个体差异如何影响情绪刺激处理期间的大脑活动.
- 探索HRV与大脑网络活动之间的关联,特别是默认模式网络 (DMN).
主要方法:
- 从100名年轻成年人收集的神经成像 (fMRI) 和心率数据.
- 参与者接受了涉及积极情绪调节和被动观看情绪刺激的任务.
- 分析的重点是神经活动与休息HRV在不同的情绪条件的关系.
主要成果:
- 较高的HRV与更大的中部前额叶皮层 (mPFC) 招募有关,当强化正面与负面情绪时.
- 在重复查看情绪图像时,更高的HRV与mPFC,后带带状回形和角状回形 (与DMN重叠) 的活动减少有关.
- 在被动观看时,HRV-DMN关联比积极情绪调节时更明显.
结论:
- 休息的HRV可能反映了一个人的自发情绪调节能力或一种促进情绪兴奋消散的特征.
- 这些发现支持神经体集成模型,通过证明HRV与情绪处理神经机制的联系.
- 被动情绪刺激观看,而不是积极调节,可能更好地揭示HRV相关神经功能中的个体差异.
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