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在8小时的恢复睡眠之后,对象工作记忆的P2幅度下降36小时的总睡眠剥夺:一个ERP研究

Yongcong Shao¹, Ziyi Peng¹, Lin Xu¹

¹School of Psychology, Beijing Sport University, Beijing 100084, China.

|October 28, 2023

概括

恢复睡眠在36小时的睡眠剥夺后部分恢复工作记忆. 早期的大脑波变化 (P2振幅) 显示出趋向于正常的趋势,但完全的认知恢复需要更长的恢复睡眠.

科学领域:

认知神经科学认知神经科学
睡眠研究睡眠研究
电子生理学电子生理学

背景情况:

睡眠不足显著损害了认知功能,特别是工作记忆.
已知恢复睡眠可以逆转这些影响,但电生理学证据,特别是关于早期事件相关潜力 (ERP),是有限的.
在长时间睡眠不足后,恢复睡眠对早期ERP组件的确切影响仍然不清楚.

研究的目的:

为了研究8小时的恢复睡眠对36小时的总睡眠剥夺后对象工作记忆的早期电生理成分的影响.
分析与事件相关潜能 (ERP) 在恢复睡眠之前和之后的变化,与工作记忆性能相关.

主要方法:

20名健康的男性参与者接受了36小时的完全睡眠剥夺 (TSD).
参与者在TSD和8小时恢复睡眠 (RS) 后在电脑电图 (EEG) 监测下执行了一个对象工作记忆任务.
重复测量 ANOVA 用于分析 ERP P2 幅度的变化.

主要成果:

与对象工作记忆相关的P2幅度在RS8小时后显著降低,与TSD后相比.
在RS后的P2振幅与基线没有显著差异,表明部分恢复趋势.
8小时的RS部分改善了工作记忆功能,受TSD损害.

结论:

八小时的恢复睡眠可以在36小时的完全睡眠剥夺后部分恢复对象工作记忆功能.
观察到的P2幅度的变化表明了基线认知电生理学的趋势.
从长期睡眠不足中完全恢复认知能力可能需要更长的恢复睡眠时间.

关键词:

与事件相关的潜力.没有背部的背部.客观的工作记忆是客观的工作记忆.睡眠恢复睡眠恢复的时间睡眠不足是因为睡眠不足.

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