皮肤和温和的核心冷却对男性冷空气中的认知功能的影响
Phillip J Wallace1, Dominique D Gagnon2,3,4, Geoffrey L Hartley5
1Environmental Ergonomics Laboratory, Department of Kinesiology, Brock University, St. Catharines, Ontario, Canada.
Physiological reports
|December 19, 2023
概括
暴露于0°C冷空气对认知功能的影响最小. 虽然简单的反应时间随着核心冷却而略有减慢,但在暴露在冷空气中,执行功能和工作记忆保持不变.
科学领域:
- 环境生理学环境生理学
- 认知神经科学 认知神经科学
背景情况:
- 暴露在寒冷中可能会影响生理和认知功能.
- 了解冷空气对认知表现的影响对于寒冷环境中的安全性和运营效率至关重要.
研究的目的:
- 研究皮肤和核心在0°C冷空气中冷却对认知功能的影响.
- 为了确定像反应时间,工作记忆和执行功能等认知任务是否受到寒冷暴露的影响.
主要方法:
- 十只雄性被暴露在四种条件下:热中性空气 (22°C),冷空气 (0°C) 与皮肤冷却,和0°C冷空气导致温和的核心冷却 (∆-0.3°C和∆-0.8°C).
- 用简单的反应测试,工作记忆能力任务和垂直侧翼任务来评估认知功能.
主要成果:
- 在各种条件下,在任何认知任务中犯下的错误数量中没有发现显著差异.
- 在核心冷却条件下 (C-0.3°C和C-0.8°C) 的简单反应时间比单独皮肤冷却 (CS) 慢.
- 执行功能和工作记忆能力尽管核心温和冷却 (高达-0.8°C),但仍然不受影响.
结论:
- 认知功能,包括执行功能和工作记忆,即使在轻微的核心体温降低的情况下,在0°C的冷空气中也能保持.
- 虽然简单的反应时间可能会受到轻微影响,但在暴露在冷空气中,关键的认知过程保持稳健.
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