临床表现 临床表现
Darren M Lipnicki1, Meritxell Valentí2, Elizabeth Valeriano-Lorenzo3
1Centre for Healthy Brain Ageing (CHeBA), UNSW Sydney, Sydney, NSW, Australia.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 24, 2025
概括
不记得梦想可能是早期阿尔茨海默病的信号. 老年人较低的梦想回忆与更高的p-tau水平,APOE ε4载体和更快的认知衰退有关.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 阿尔茨海默氏症疾病研究研究
背景情况:
- 梦想与默认模式网络 (DMN) 有关.
- 阿尔茨海默病的病理学,包括β-粉样斑块和团,影响DMN早期.
- APOE ε4载体也与早期的DMN功能障碍有关.
研究的目的:
- 研究认知正常的老年人回忆梦与神经退行症生物标志物 (p-tau,APOE ε4) 之间的关联.
- 为了确定梦想回忆是否预测未来的认知能力下降.
主要方法:
- 来自西班牙瓦莱卡斯项目的1049名认知不受损的老年人.
- 通过自我报告评估梦想回忆;高血 p-tau217 和 APOE ε4 载体定义.
- 在10年内使用临床前阿尔茨海默氏症认知复合物 (PACCm) 追踪认知.
主要成果:
- 31%的参与者表示没有回忆梦.
- 更高的p-tau217和APOE ε4载体与更低的梦想回忆可能性有关.
- 与召回者相比,非召回者在10年内显示出更快的PACCm下降.
结论:
- 梦想回忆与阿尔茨海默病的生物标志物和健康老年人的未来认知能力下降有关.
- 不记得梦想可能是DMN中神经退行症的早期指标.
- 这一发现支持了先前的观察,将减少的梦想回忆与发生的痴呆症联系起来.
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