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在复杂的临床环境中揭示ICU护士风险决策的认知机制

Hui Ge¹, Tingting Feng¹, Hao Wu¹

¹Peking University, School of Nursing, Beijing, China.

Intensive & critical care nursing

|January 7, 2026

概括

重症监护病房的护士们

科学领域:

神经科学是一个神经科学.
认知心理学认知心理学
临床护理临床护理

背景情况:

重症监护室 (ICU) 要求护士做出快速,准确的决策.
护士面临着高风险,信息密集型环境,复杂的临床需求.
了解护士决策的认知和神经基础至关重要.

研究的目的:

研究ICU护士风险决策的认知和神经机制.
在时间压力和复杂的多任务条件下分析决策过程.
识别与准确和不准确的风险评估相关的独特认知模式.

主要方法:

30名ICU护士参加了一个模拟的多任务实验.
电脑电图 (EEG) 在高风险和低风险优先判断期间记录了神经活动.
高斯隐马尔科夫模型 (HMMs) 分析了认知状态过渡和振荡活动 (δ, θ, α, β波段).

主要成果:

确定了四种动态认知模式:单立体稳定性进展,强制性路径锁定,多路径灵活融合,流量分离/过早融合.
准确的决策与增强的低频振荡 (δ, θ) 和稳定的HMM状态过渡相关,表明有效的认知控制.
错误的决策与感知效率低下,不稳定的状态过渡和过早的认知关闭有关,特别是在高风险条件下.

结论:

这项研究首先在模拟ICU风险决策中确定了四种不同的认知模式.
决策准确性取决于协调的认知状态动态,而不仅仅是神经激活.
研究结果强调了自适应性认知控制在临床判断中的关键作用,并建议未来在护理中进行大脑机器协作.

关键词:

认知模型认知模型复杂的临床背景.密集的重症监护集中护理患者安全患者安全风险决策过程中的风险决策

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