老年人认知储备和认知轨迹之间的关联
Rabia Khalaila1,2, Christina Dintica3, Kristine Yaffe1,3
1Department of Neurology, Global Brain Health Institute, University of California San Francisco, San Francisco, California, USA.
Innovation in aging
|March 26, 2024
概括
认知储备 (CR) 的综合测量可以防止认知衰退. 这种全面的CR方法比单个指标更有效地评估随时间推移的认知轨迹.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 公共卫生 公共卫生
背景情况:
- 关于认知储备 (CR) 和认知轨迹的先前研究产生了有限和相互矛盾的结果.
- 大多数研究采用单一的CR测量,可能无法捕捉全面的暴露.
- 这项研究解决了对CR对认知衰老的影响进行更强有力的评估的需要.
研究的目的:
- 确定个人和复合CR测量对6年认知衰退的影响.
- 为了比较复合CR得分与单个指标在预测认知轨迹中的有效性.
主要方法:
- 利用了来自16个欧洲国家的55340名参与者 (50岁以上) 的数据 (欧洲健康,衰老和退休调查).
- 在四个波段 (2011-2017年) 中使用认知评估 (记忆力,流性,计算能力) 和CR因素 (教育,职业,活动).
- 应用结构方程建模用于复合CR得分构建和线性混合效应模型用于纵向分析.
主要成果:
- 较高的复合CR三位数显著与所有领域的更好的基线认知表现相关.
- 最高的复合CR三位数,与中间三位数不同,与全球认知和所有个体认知领域的6年衰退显著减缓有关.
- 这些发现强调了全面的CR措施的保护作用.
结论:
- 认知储备的综合测量是认知表现的保护因素,并减轻认知衰退.
- 综合CR得分比单个CR指标更敏感,更具包容性,用于理解认知轨迹.
- 这种方法提供了对影响认知衰老的因素的更全面的了解.
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