轻度认知障碍 (MCI) 患者与认知功能相关的休息活动和光照节律异常
Seong Jae Kim1,2, Jung Hie Lee3,4, Jae-Won Jang5
1Department of Psychiatry, Chosun University College of Medicine, Gwangju, South Korea.
Journal of circadian rhythms
|January 1, 2024
概括
在轻度认知障碍 (MCI) 中,休息活动节奏和暴露于光线的节奏没有受到干扰. 然而,昼夜节律的稳定性会影响MCI患者的执行功能,这表明大脑机制发生了变化.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 时间生物学 时间生物学
背景情况:
- 轻度认知障碍 (MCI) 影响认知,并可能影响日常节奏.
- 了解MCI的昼夜节律差异对于潜在的干预措施至关重要.
研究的目的:
- 为了比较MCI患者和正常对照者 (NC) 之间的休息活动节奏 (RAR) 和照射节奏 (LER).
- 研究这些节奏与老年人的认知功能之间的关系.
主要方法:
- 在10名MCI患者和8名NC患者 (年龄大于50岁) 中,在5天内使用动图记录RAR和LER.
- 非参数分析计算了节奏变量 (稳定性,可变性,振幅).
- 一般化的线性模型探索了节奏和神经心理测试表现之间的关联.
主要成果:
- 在MCI和NC组之间没有发现总体RAR或LER变量的显著差异.
- RAR稳定性与Stroop Color和Word Test的性能有积极的相关性.
- 群体相互作用揭示了特定的关联:RAR稳定性与Trail Making Test-A,以及LER变异性与MCI中的波士顿命名测试.
结论:
- 循环节律 (RAR,LER) 在MCI中没有明显的干扰.
- 昼夜节律的稳定性与执行功能有关,但在MCI中没有处理速度或语言.
- 研究结果表明,MCI的病理生理学变化涉及昼夜节律和认知衰退,特别是在执行职能方面.
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