同时进行体育活动对认知任务期间自主神经激活的急性综合效应
Shan Cheng1, Wenbin Li2, Duoduo Hui1
1Department of Aerospace Medical Equipment, School of Aerospace Medicine, Air Force Medical University, Xi'an, Shaanxi, China.
Frontiers in physiology
|March 5, 2024
概括
心率变化 (HRV) 有效地评估身体炼期间的精神工作负荷. 综合认知和身体任务增加了同情活动,改变了HRV,这与感知的工作负载和绩效相关.
科学领域:
- 身体生理学 身体生理学
- 人类因素工程 人类因素工程
- 认知神经科学 认知神经科学
背景情况:
- 心率可变性 (HRV) 被验证用于心理工作负载评估.
- 联合认知和身体负荷对HRV的协同效应尚未得到充分证实.
- 了解对双重任务的自主反应对于职业健康至关重要.
研究的目的:
- 研究认知和身体负荷对自主神经功能的综合影响.
- 为了确定HRV是否可以在并发的体力炼下表示精神工作负荷.
- 分析HRV,认知表现和主观工作负载之间的关系.
主要方法:
- 35名健康的男性在不同的体力负荷 (0.3,5公斤) 下进行了背后认知任务.
- 记录了心电图 (ECG) 和认知任务的表现.
- 使用NASA-TLX post-task.scale进行主观工作负载评估.
主要成果:
- 认知任务增加了感知的工作量和反应时间,同时降低了准确性,这些效应被物理负荷放大了.
- 显著的HRV变化 (高频降低,低频功率增加) 表明在体力负荷下同情活动升高.
- 身体炼期间的HRV与感知到的工作量和任务绩效呈现出线性相关性.
结论:
- HRV是一种可行的生理指标,用于在综合认知-物理任务中评估心理工作负载.
- 研究结果支持在现实世界中使用HRV,包括同时进行精神和身体需求.
- 自主神经系统对双重任务的反应提供了对职业压力和绩效限制的见解.
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