早期适应高海拔:情绪和认知反应在模拟的4500米
Ricardo Muller Bottura1,2,3, Ambra Bisio4,5, Debora Cristina Hipolide1
1Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, Brazil.
Physiological reports
|October 9, 2025
概括
高海拔暴露会导致生理变化,如较低的氧和和心率增加. 认知功能和情绪受到影响,疲劳和紧张与急性山病症状有关.
科学领域:
- 身体生理学 身体生理学
- 高度医学 高度医学
- 认知科学 认知科学
背景情况:
- 高海拔暴露会导致低氧化,促使新陈代谢调整氧气输送.
- 适应高度可以表现为情绪障碍,认知变化和急性山病 (AMS).
研究的目的:
- 为了研究模拟高空暴露的生理和认知效应.
- 检查情绪状态的变化及其与AMS症状的关系.
主要方法:
- 23名志愿者接受了模拟的4500米高空暴露4小时在一个normobaric缺氧室.
- 监测了生理变量 (乳酸盐,葡萄糖,SpO2,HR),反应时间,失误和情绪状态.
- 在暴露期间,每小时评估AMS症状.
主要成果:
- 观察到SpO2 (氧和度) 的显著下降和HR (心率) 的增加.
- 反应时间不受影响,但认知缺陷与乳酸水平有显著的相关性.
- 情绪状态,特别是紧张和疲劳,与AMS症状密切相关.
结论:
- 模拟高空暴露会导致显著的生理变化,并通过乳酸相关性影响认知表现.
- 情绪障碍与AMS症状密切相关,这强调了缺氧的心理影响.
- 需要策略来缓解高海拔暴露的生理和心理后果.
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