一个全面评估线性和非线性HRV参数之间的节奏呼吸和压力精神状态之间的全面评估
Kulbhushan Chand1, Shilpa Chandra2, Varun Dutt2
1IIT Mandi iHub and HCi Foundation, Indian Institute of Technology Mandi, Kamand, HP, India , 175005.
Heliyon
|June 14, 2024
概括
心率变化 (HRV) 可靠地区分了放松和压力状态,大多数参数在放松期间得到改善,在压力期间退化. 非线性HRV指标提供精确的精神状态评估与传统的线性.
科学领域:
- 身体生理学 身体生理学
- 心理生理学 心理生理学
- 生物医学工程 生物医学工程
背景情况:
- 心率变化 (HRV) 反映了自主神经系统在压力和放松之间的平衡.
- 现有研究表明,HRV参数随着认知工作量而变化,但干预措施的影响和参数相关性需要进一步研究.
- 这项研究调查了在不同精神状态期间线性和非线性HRV参数变化.
研究的目的:
- 在精神放松和压力条件下比较线性和非线性HRV参数.
- 评估具体干预措施对HRV参数解释的影响.
- 分析不同心理状态的HRV参数之间的相关性.
主要方法:
- 两个组 (每组N=22) 经历了放松压力 (RS) 或放松压力 (SR) 条件.
- 通过节奏呼吸诱导放松;通过心理算术任务 (每次5分钟) 压力.
- 一个15分钟的洗时间将任务分开,HRV持续监控.
主要成果:
- 在37个HRV参数中,33个显示了放松和压力状态之间的显著差异.
- 大多数HRV参数在放松时得到改善,在压力时降低.
- 在压力期间,参数相关性通常会下降,而时间和几何领域参数仍然占主导地位.
结论:
- HRV参数可靠地评估通过节奏呼吸和心理算术诱导的精神状态.
- 非线性HRV参数是精神状态的有价值的估计器,补充线性参数.
- HRV分析为评估对心理压力和放松的生理反应提供了一个强大的方法.
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