临床表现 临床表现
Nicholas Magill1,2, Christopher S Parker3,4, Chloe Young1
1Dementia Research Centre, Queen Square Institute of Neurology, London, United Kingdom.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
概括
加快的长期遗忘 (ALF) 与自体主导阿尔茨海默病 (ADAD) 的前额叶皮层早期变化有关. ALF测试可以预测临床发病,有助于在症状前的ADAD试验.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 认知科学 认知科学
背景情况:
- 敏感的认知措施是早期阿尔茨海默病 (AD) 检测所需的.
- 在症状前的AD队列中观察到加速长期遗忘 (ALF).
- 关键问题涉及ALF的神经解剖学及其对症状发作的预测能力.
研究的目的:
- 调查与ALF相关的神经解剖学变化在症状前ADAD.
- 确定ALF测试是否可以预测ADAD中临床症状出现的时间.
主要方法:
- 在无症状的ADAD突变携带者和非携带者中使用口头和视觉记忆任务评估ALF.
- 获得的基线MRI (T1和扩散加权) 来测量皮质厚度和结构连接性.
- 每年进行长达7年的临床随访,以追踪症状的发展.
主要成果:
- 与非携带者相比,ADAD突变载体的ALF得分明显较低.
- 较低的口头ALF得分与载体前额叶皮层 (PFC) 皮层厚度降低相关.
- 较低的基线ALF得分预测了突变载体随后临床症状的出现.
结论:
- 在症状前的ADAD中,ALF与PFC的早期结构变化有关.
- ALF测试是一种生物学相关的措施,可以预测临床发病情况并识别高风险的个体.
- 作为一种认知终点,以及作为一种潜在的查工具,ALF显示出预症状试验招募的前景.
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