在睡眠剥夺后,警性表现下降的上下注意力调节和感知表现的补偿性招募在睡眠剥夺后的警性表现
Yuqi Zhou1, Tian Xie1, Zehui Liu1
1Center for Studies of Psychological Application, Guangdong Key Laboratory of Mental Health & Cognitive Science, School of Psychology, South China Normal University, Guangzhou 510631, China; Philosophy and Social Science Laboratory of Reading and Development in Children and Adolescents (South China Normal University), Ministry of Education, South China Normal University, Guangzhou 510631, China.
Biological psychology
|December 15, 2025
概括
睡眠不足会通过改变信息处理来降低警. 虽然早期的大脑反应变得更加关键,但与注意力相关的信号无法预测睡眠丧失后的表现.
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
背景情况:
- 警对于日常运作至关重要,但容易导致睡眠不足.
- 之前的研究将睡眠剥夺与前额和双肩功能受损联系起来,但潜在的信息处理变化尚不清楚.
研究的目的:
- 研究睡眠不足如何影响支持警觉注意力的信息处理机制.
- 在正常睡眠和睡眠剥夺条件下将脑电图 (EEG) 信号与精神运动警觉任务 (PVT) 的执行联系起来.
主要方法:
- 使用线性混合效应模型 (LMM) 来分析单次试验事件相关潜力 (ERP) 和PVT性能.
- 收集了来自43名参与者的EEG数据,分为两个会议:正常睡眠 (NS) 和24小时睡眠剥夺 (SD).
主要成果:
- 在24小时SD后,警性能显著下降.
- 睡眠不足延迟了早期ERP组件延迟时间,并减少了后期组件幅度.
- 早期的ERP预测了NS和SD的表现,但在SD期间出现延迟和更强的效果.
- 与注意力延迟相关的ERP仅在NS下预测了警,在SD后没有相关性.
结论:
- 睡眠不足通过削弱自上而下的控制机制来改变警.
- 在睡眠丧失期间,人们转向早期的,以刺激为驱动的感知处理,作为潜在的补偿策略.
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