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临床表现 临床表现

Bradley J Dixon1, John L Woodard1, Lynn M Bekris2

  • 1Wayne State University, Detroit, MI, USA.

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概括
此摘要是机器生成的。

神经心理测试的表现,特别是延迟的回忆,可以预测阿尔茨海默病生物标志物的变化,如脑脊液 (CSF) 和粉样蛋白比率. 这些发现表明早期阿尔茨海默氏症风险查的潜力.

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科学领域:

  • 神经科学是一个神经科学.
  • 生物标志物研究 生物标志物研究
  • 认知老龄化 认知老龄化

背景情况:

  • 神经心理测试的表现是阿尔茨海默病 (AD) 转化的一个预测因素.
  • 很少有研究将神经心理表现与AD生物标志物联系在一起.
  • 早期发现AD病理需要敏感的认知措施.

研究的目的:

  • 研究神经心理测试表现变化与阿尔茨海默病生物标志物之间的关系.
  • 确定认知变化是否预测生物标志物变化或反之.

主要方法:

  • 137名健康的老年人接受了基线神经心理测试和脑脊液 (CSF) 采集.
  • 参与者在两年后被重新评估.
  • 一个双变的潜在变化得分模型分析了Rey听力语言学习测试 (RAVLT) 延迟回忆和CSFt-tau/Aβ1-42和p-tau181/Aβ1-42比率之间的纵向关系.

主要成果:

  • 基线延迟召回得分负面预测了CSF t-tau/Aβ1-42比率在两年内发生的变化.
  • 基线CSF p-tau181/Aβ1-42比率负面预测了延迟召回分数的两年变化.
  • 这些关联表明认知表现和AD生物标志物之间的双向预测关系.

结论:

  • 神经心理表现,特别是延迟的回忆,对阿尔茨海默病生物标志物的变化敏感.
  • 某些AD生物标志物可以预测认知表现的变化.
  • 延迟召回任务可以作为早期干预研究的实际查工具,用于高风险患AD的个体.