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临床表现 临床表现

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科学领域:

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

背景情况:

  • 数字时钟测试 (DCT) 是一种新的计算机化时钟绘图测试.
  • 在区分轻度认知障碍与阿尔茨海默氏症 (AD) 痴呆症方面,DCT显示出前景.
  • 抑郁和焦虑等情绪症状在老年人中很常见,并可能影响认知功能.

研究的目的:

  • 研究情绪症状 (抑郁,焦虑) 与DCT上的认知表现之间的关联.
  • 为了比较情绪症状对DCT的影响与标准认知查工具 (MMSE,PACC5) 相比.
  • 确定情绪症状是否会影响这些认知指标上受损得分的可能性.

主要方法:

  • 来自哈佛老年大脑研究的241名老年人完成了DCT,PACC5和MMSE.
  • 参与者还填写了抑郁症 (老年抑郁量表 - GDS) 和焦虑症 (老年焦虑量表 - GAI) 的自我报告问卷.
  • 线性和顺序回归模型分析了GDS/GAI得分和认知测试表现之间的关系,对年龄,性别和教育进行控制.

主要成果:

  • 较高的抑郁症状 (GDS得分) 与DCT,MMSE和PACC5.5得分较低有关.
  • 高度抑郁症状增加了MMSE和PACC5得分受损的几率,但DCT得分没有受损.
  • 较高的焦虑症状 (GAI分数) 与PACC5分数受损的可能性增加有关,但MMSE或DCT分数没有.

结论:

  • 抑郁症状与老年人多项认知测试中的表现较差有关.
  • 与MMSE和PACC5.5相比,DCT可能受到情绪障碍的影响较小.
  • DCT对情绪症状的适应性表明它有可能成为AD在临床环境中的敏感查工具,同时出现情绪问题.