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作为一种特征,正面影响是否与压力较高的情况下心率变化有关?
Sigrún Þóra Sveinsdóttir1, Kamilla Rún Jóhannsdóttir1
1Department of Psychology, Reykjavik University, Menntavegur 1, 102 Reykjavik, Iceland.
International journal of environmental research and public health
|October 27, 2023
概括
具有较高特征积极影响 (PA) 个体表现出增强的心率可变性 (HRV),这表明自主神经系统调节更好. 这表明在长时间的压力下,情绪反应更具适应性.
科学领域:
- 心理生理学 心理生理学
- 心血管研究研究心血管研究
- 情感科学是一种情感科学.
背景情况:
- 对积极影响 (PA) 和心血管活动的研究往往忽视了心率变化 (HRV).
- 特征PA可以通过调节交感性 (SNS) 和副交感性 (PNS) 活动来促进自主神经系统 (ANS) 稳态.
- 心率变化 (HRV) 是表交神经系统 (PNS) 功能的一个关键指标.
研究的目的:
- 研究特征积极影响 (PA) 对压力期间心血管反应的影响.
- 为了检查特征PA和心率变化 (HRV) 在认知和社会压力任务中的关系.
主要方法:
- 在54名参与者中通过RMSSD,心率 (HR) 和间拍间隔 (IBI) 监测心率变化 (HRV).
- 参与者完成了认知任务 (包括诱导疲劳的Stroop任务) 和Trier社会压力任务.
- 用PANAS尺度来评估特征积极影响 (PA).
主要成果:
- 更高的特征PA与显著更高的HRV (RMSSD) 相关,表明表交神经系统 (PNS) 活动增加.
- 具有高特征PA的个体在疲劳的认知任务中表现出较低的心率 (HR) 和较高的间拍间隔 (IBI).
- 这些影响在任务执行的疲劳诱导阶段尤其明显.
结论:
- 提升特征积极影响 (PA) 与增强的心率变化 (HRV) 和更平衡的自主神经系统 (ANS) 反应有关.
- 具有高特征PA的个体表现出更具适应性的心血管调节,在长时间的压力下可能具有更好的情绪调节.
- 研究结果强调了特征PA在要求高的任务期间维持生理恒温的作用.
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