从睡眠的大脑波中解码有关认知健康的信息
Noor Adra1,2,3, Lisa W Dümmer1,2,4, Luis Paixao1,2,5
1Department of Neurology, Massachusetts General Hospital (MGH), Boston, MA, USA.
Scientific reports
|July 15, 2023
概括
新的睡眠EEG生物标志物,称为睡眠认知指数 (SCI),显示出评估大脑健康的前景. 这些SCI与认知功能相关,可能有助于早期发现与年龄相关的认知衰退.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 生物标志物发现发现
背景情况:
- 睡眠电脑电图 (EEG) 信号可能包含有关大脑健康和与年龄相关的神经疾病风险的宝贵信息.
- 像大脑年龄指数 (BAI) 这样的现有生物标志物在捕捉全面认知状态方面存在局限性.
研究的目的:
- 评估大脑年龄指数 (BAI) 与认知测试成绩之间的相关性.
- 开发和验证基于睡眠EEG的新型生物标志物,称为睡眠认知指数 (SCI),优化为与特定认知功能直接相关.
主要方法:
- 机器学习技术被用来从睡眠EEG数据中开发SCI.
- 这项研究检查了SCI,BAI和认知分数在三个领域之间的相关性:总,流体和结晶的认知.
- 为了评估关联的强度,计算了皮尔森相关系数.
主要成果:
- 睡眠认知指数 (SCI) 显示了与总认知 (Pearson's r = 0.37) 和流体认知 (Pearson's r = 0.56) 相关的信息显著解码.
- 大脑年龄指数 (BAI) 仅与结晶认知 (皮尔森的r = -0.25) 显示出相关性.
结论:
- 睡眠EEG衍生的生物标志物,特别是SCI,为可访问和临床相关的神经认知健康指标提供了一个有希望的途径.
- 这些发现表明,睡眠EEG分析可以提供对认知功能有价值的见解,并可能识别患有认知障碍风险的个人.
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