在睡眠不足的人群中,Go/Nogo任务相关的神经元振荡的相幅度合会降低
Peng Zhang1, Chuancai Sun2,3, Zhongqi Liu2,3
1School of Psychology, Beijing Key Laboratory of Learning and Cognition, Capital Normal University, Beijing, China.
Sleep
|September 14, 2023
概括
睡眠不足会损害大脑中的阶段幅度合 (PAC),影响抑制控制. 这种通过脑电图 (EEG) 测量的神经通信障碍突显了睡眠.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 睡眠研究 睡眠研究
背景情况:
- 阶段振幅合 (PAC) 对于同步大脑网络和整合用于抑制控制等认知功能的信息至关重要.
- 睡眠障碍和社会隔离可能会破坏神经通信,影响认知表现.
- 了解睡眠问题如何影响交叉频率PAC对于理解认知缺陷至关重要.
研究的目的:
- 为了研究睡眠不足对在Go/Nogo任务期间的theta-beta和theta-gamma阶段-振幅合 (PAC) 的影响.
- 检查睡眠剥夺如何影响与健康志愿者和士兵的抑制控制相关的神经通信.
- 为了将PAC的变化与抑制控制任务中的行为表现相关联.
主要方法:
- 脑电图 (EEG) 记录了60名健康志愿者和18名执行Go/Nogo任务的士兵.
- 士兵们在正常环境和隔离小屋中进行了测试,以模拟社会隔离.
- 分析的重点是不同皮层区域 (正面,中央-,头) 之间的theta-beta和theta-gammaPAC.
主要成果:
- 在前额和中额层区域之间观察到显著的甲-βPAC,在前额和后额皮层之间观察到甲-PAC.
- 睡眠不足导致这些theta-beta/gamma PAC测量的显著下降.
- 在抑制控制任务中,PAC的减少与行为表现受损正相关.
结论:
- 与任务相关的-β/gamma PAC对睡眠剥夺很敏感.
- 由于睡眠不足而减少的PAC会对抑制控制性能产生负面影响.
- 在EEG信号中评估PAC对于了解睡眠问题对认知功能的神经后果至关重要.
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