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临床表现 临床表现

Joshua M Garcia1, Leslie S Gaynor2,3, Adam M Staffaroni4

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概括
此摘要是机器生成的。

在追踪认知衰老时,全球认知的不同评分方法产生了类似的结果. 这些复合材料与认知功能和大脑结构有很好的相关性,有助于理解认知衰退.

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科学领域:

  • 神经科学是一个神经科学.
  • 认知心理学 认知心理学
  • 老年学是一门学科.

背景情况:

  • 全球认知指标对于跟踪认知衰老至关重要.
  • 关于全球认知的最佳定义或测量,目前还没有达成共识.
  • 这项研究旨在将全球认知评分方法与有效性指标进行比较.

研究的目的:

  • 为了比较全球认知的各种评分方法.
  • 通过认知,功能和神经成像指标来评估这些方法的有效性.
  • 确定测量全球认知功能的最有效方法.

主要方法:

  • 使用了来自记忆,执行功能,语言和视觉空间领域的协调因素得分.
  • 评分方法包括平均z分数,确认因素分析 (CFA),主要成分分析 (PCA) 和迷你心理状态检查 (MMSE) 复合权重.
  • 有效性指标包括临床痴呆症评分表盒总和 (CDR-SB),MMSE和神经成像指标 (大脑体积,心室体积,额叶体积,中部叶体积).
  • 接收器操作特征 (ROC) 曲线评估了认知障碍的检测.

主要成果:

  • 认知复合物高度相互关联,并与认知/功能测量 (CDR-SB,MMSE) 显示出强烈的相关性.
  • 所有复合材料都有效检测出认知障碍 (AUCs=0.84-0.88).
  • 复合材料与大多数神经成像指标具有强烈和相似的相关性,通常表现优于独立指标,中间叶和心室体积显示最强的关联.

结论:

  • 全球认知复合物,无论评分方法如何,都与认知/功能指标和结构神经成像显示一致的关系.
  • MMSE复合方法表现出与CDR最强的关联,但与前额叶体积的联系较弱.
  • 与个人认知测量相比,认知复合材料与结构神经成像具有更强大的关联性.