认知功能与自主神经系统之间的关联通过光电脉冲图
Jaewook Jin1,2, Kahye Kim1, KunHo Lee3,4,5
1Digital Health Research Division, Korea Institute of Oriental Medicine, Daejeon 34504, Republic of Korea.
Bioengineering (Basel, Switzerland)
|November 27, 2024
概括
与具有高认知能力的人相比,认知功能较低的人表现出更高的副交感神经系统活动. 脉率变化 (PRV) 分析可能有助于早期认知衰退的诊断.
科学领域:
- 神经科学是一个神经科学.
- 心脏病学 心脏病学
- 身体生理学 身体生理学
背景情况:
- 认知衰退是一个日益严重的公共卫生问题.
- 自主神经系统 (ANS) 在调节包括认知在内的生理功能方面发挥着作用.
- 了解ANS和认知功能之间的相互作用对于早期诊断至关重要.
研究的目的:
- 研究认知表现与自主神经系统活动之间的关系.
- 分析高与低认知表现的个体的脉冲率变化 (PRV) 参数.
- 探索PRV作为认知衰退早期诊断标记物的潜力.
主要方法:
- 根据SNSB-D,参与者被分为高认知性能 (HCP) 和低认知性能 (LCP) 组.
- 为了提取PRV参数,采集了光电显微镜 (PPG) 数据.
- 一个通用线性模型 (GLM) 用于调整分析,控制年龄和教育.
主要成果:
- 与LCP组相比,LCP组显示出明显更高的PRV参数,表明与HCP组相比,对交感神经系统的激活更大.
- 经过调整后的分析证实了认知功能下降和偏交感活动增加之间存在显著的关联.
- 这些发现表明,在认知障碍患者中,自主神经系统调节的潜在不平衡.
结论:
- 这项研究强调了与认知表现相关的独特的自主神经系统概况.
- 反映自主活动的PRV参数可以作为早期检测和认知衰退的分类有价值的生物标志物.
- 需要进一步的研究来阐明这些发现的因果机制和临床实用性.
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