在冷水浸泡期间,群体中的分歧思维受到寒冷压力的影响,而不是寒冷冲击反应
Max Kailler Smith1,2, Rebecca Weller1,2, Tony Duong1,2
1Warfighter Performance Department, Naval Health Research Center, San Diego, CA, United States.
Frontiers in psychology
|February 27, 2025
概括
突然的冷水浸泡 (CWI) 损害了认知功能,但在关键的前10分钟内,分歧思维在很大程度上保持不变. 然而,较低的皮肤温度会在寒冷冲击反应期间对认知任务的表现产生负面影响.
科学领域:
- 环境生理学环境生理学
- 人类表现的人类表现.
- 海上安全的航行.
背景情况:
- 寒冷的海上环境带来了重大风险,包括人身事故.
- 突然的冷水浸泡 (CWI) 引发了冷冲击反应 (CSR),这可能会增加溺水风险.
- 对于生存决策至关重要的认知功能可能会受到CSR的影响.
研究的目的:
- 研究企业社会责任严重程度对更高层次认知功能的影响.
- 在团队环境中在冷水浸泡期间评估认知表现.
主要方法:
- 29名军人经历了13分钟的冷水浸泡 (1.3°C).
- 在沉浸之前和沉浸期间,使用分离关联任务 (DAT) 评估认知功能.
- 监测了冷冲击反应,记录了心率峰值和皮肤温度.
主要成果:
- 没有发现高峰心率 (CSR大小) 和DAT表现之间的相关性.
- 在CWI期间较低的皮肤温度与较差的DAT性能有关.
- 主观报告的初始气喘与心率峰值相关.
结论:
- 在CWI的关键10分钟窗口内,分歧思维能力相对保持良好.
- 皮肤冷却可能会转移注意力,影响寒冷冲击期间的任务执行.
- 主观的气喘严重程度可以成为CSR规模的有用指标.
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