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Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
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基于EEG的信息传输路径在运动歧视期间:正常认知和MCI之间的可检测差异.

Alina Renli1,2,3, Boxin Sun2, Ming Gu2

  • 1Department of Neuroscience, Michigan State University, East Lansing, Michigan, USA.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|November 17, 2025
PubMed
概括

在正常认知 (NC) 和轻度认知障碍 (MCI) 的老年人之间,大脑有效的连接性不同. 患有MCI的患者表现出补偿性信息传输路径,突出显示了在认知衰退下大脑网络的适应性.

关键词:
有效的连接/因果关系.轻度的认知障碍 轻度的认知障碍基于任务的脑电图.

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科学领域:

  • 神经科学是一个神经科学.
  • 认知科学 认知科学
  • 生物医学工程 生物医学工程

背景情况:

  • 认知障碍可以改变大脑网络的有效连接.
  • 了解这些变化对于诊断和管理神经系统疾病至关重要.

研究的目的:

  • 为了研究正常认知 (NC) 和轻度认知障碍 (MCI) 的老年人之间大脑有效连接的差异.
  • 将因果融合交叉映射 (cCCM) 应用于脑电图 (EEG) 数据,以分析大脑网络动态.

主要方法:

  • 基于任务的64通道EEG在运动方向歧视任务中被记录下来.
  • 56名社区老年人 (28名NC,28名MCI) 参与了这项研究.
  • 使用因果融合交叉映射 (cCCM) 来评估所有感兴趣区域 (ROI) 对之间的有效连接.

主要成果:

  • 与NC个体相比,MCI个体在某些大脑区域对中显示出较弱的有效连接性.
  • 患有MCI的患者在其他区域,特别是额头和部区域,信息传输路径增加.
  • cCCM揭示了传统的功能连接测量无法检测到的有效连接模式.

结论:

  • 大脑的通信网络可能会使用补偿机制来抵消认知障碍中被削弱的连接.
  • 有效的连接分析提供了比单独的功能连接更深入地了解动态大脑相互作用.
  • 结果表明NC与MCI个体在认知负载下有不同的大脑网络策略.