临床表现 临床表现
Emil Fristed1, Jack Weston1, Melanie J Miller2
1Novoic, London, United Kingdom.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 24, 2025
概括
讲故事者远程认知评估工具有效地区分轻度认知障碍 (MCI) 和认知正常 (CN) 个体. 在6个月内对Storyteller分数的纵向跟踪显著提高了MCI的诊断准确性.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 认知科学 认知科学
背景情况:
- 传统的认知测试面临诸如员工要求,面对面访问和变化等挑战,导致轻度认知障碍 (MCI) 的诊断不足.
- 讲故事者是一个自主管理的远程故事回忆任务,为重复评估提供了一种低负担的方法.
- 这项研究调查了Storyteller的纵向数据是否改善了MCI和认知正常 (CN) 参与者之间的区别.
研究的目的:
- 评估讲故事任务在区分MCI和CN参与者的有效性.
- 为了确定Storyteller的纵向测量是否提高了分类准确性.
- 评估远程,自我管理的认知评估的诊断效用.
主要方法:
- 利用了被诊断为CN (n=76) 或MCI (n=21) 的ADNI4参与者的数据.
- 采用混合线性回归来分析人口统计,诊断和时间对Storyteller G-match分数的影响.
- 使用后勤回归与十倍交叉验证进行比较分类性能,分析基线得分,六个月变化,并通过ROC曲线通过曲线下面的面积 (AUC) 组合指标.
主要成果:
- 虽然年龄,性别和教育等人口统计数据在各组之间没有显著差异,但MCI组表现出较低的基线和6个月G匹配得分 (p<0.001).
- 混合模型揭示了性别,教育,基线MCI诊断,时间点和MCI*时间点相互作用的显著影响,表明MCI组的下降更大.
- 基线G匹配 (AUC=0.754) 和6个月变化 (AUC=0.712) 单独优于随机分类;将两者结合起来,AUC为0.800,随着人口统计的纳入,进一步提高到0.817.
结论:
- 与CN参与者相比,Storyteller有效地检测到MCI参与者的认知能力下降更大.
- 整合纵向的故事讲者措施显著改善了MCI的分类准确性.
- 像Storyteller这样的远程自我管理的认知评估在短时间内 (六个月) 提供了宝贵的诊断能力.
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