从主观认知衰退患者单词列表的最新部分中发现异常忘记率
C Leonardi1,2, V Di Palma2, M S De Simone2,3
1Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy.
概括
最近率 (Rr) 可能有助于客观地识别主观认知衰退 (SCD) 患者的记忆投诉. 这项测量显示了SCD个体和健康对照人群之间遗忘模式的显著差异,有助于早期发现阿尔茨海默病.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 老年学是一门学科.
背景情况:
- 主观认知衰退 (SCD) 表示自我报告的认知衰退,构成轻度认知障碍 (MCI) 和阿尔茨海默氏症 (AD) 的风险.
- 识别SCD相关记忆症状的客观标志物对于早期干预至关重要.
研究的目的:
- 调查最近率 (Rr) 作为SCD患者内存投诉的客观指标.
- 确定Rr是否可以区分患有SCD的个体和健康对照.
主要方法:
- 一项追溯病例控制研究,涉及54名SCD患者和69名健康对照.
- 管理一个15个单词列表的回忆测试,以评估即时和延迟的回忆.
- 计算最近率 (Rr) 来量化从最终列表部分的遗忘.
主要成果:
- 观察到一个显著的组x位置相互作用 (p = .01).
- 与对照人群相比,SCD患者在近期部分的Rr显著更高 (p = .03).
- 两组之间没有发现优先级或中间列表比率的显著差异.
结论:
- 最近比率 (Rr) 显示了作为检测SCD记忆投诉的神经心理标志物的潜力.
- 当Rr与其他用于早期AD检测的措施相结合时,可能会提高诊断准确度.
- 这项研究是第一个在SCD群体中检查Rr的研究,揭示了标准测试无法检测到的下降.
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