为了跨文化理解个体内变异性指标的跨文化理解
Bonnie M Scott1, Donald R Royall2,3, Jared F Benge1
1Dell Medical School, Department of Neurology, The University of Texas at Austin, Austin, TX, USA.
Journal of clinical and experimental neuropsychology
|March 14, 2024
概括
认知个体内变化 (IIV) 预测了老年人的认知能力下降. 它的预测能力在西班牙裔和非西班牙裔白人之间有所不同,突出了认知健康的种族差异.
科学领域:
- 神经科学是一个神经科学.
- 老年学是指老年学的学科.
- 认知心理学 认知心理学
背景情况:
- 认知个体内变化 (IIV) 越来越被认为是认知衰老的标志物.
- 了解IIV的种族差异对于个性化的认知健康策略至关重要.
研究的目的:
- 在西班牙裔和非西班牙裔白人 (NHW) 老年人中比较认知IIV的构造有效性和预测实用性.
- 研究如何在认知领域内和认知领域之间的IIV预测随着时间的推移认知衰退.
主要方法:
- 分析了5年来651名老年人 (293名西班牙裔,358名NHW) 的年度认知数据.
- 计算了注意力,语言,记忆和执行功能的复合z-score.
- 在认知领域内和认知领域之间 (IIV-Within和IIV-Between) 评估了个体内变异性.
主要成果:
- 与西班牙裔个人相比,NHW个人具有更高的基线认知分数和更高的IIV,只有语言领域的例外.
- 无论是IIV-Within还是IIV-Between的认知领域都改善了两组5年认知状态的预测.
- IIV-Between域是NHW最强的预测因素,而IIV-Within关注对西班牙裔个人来说最强.
结论:
- IIV是预测认知衰退的一个有价值的工具,但它的实用性在不同族群之间有所不同.
- 在IIV模式中的种族差异表明认知衰老的不同轨迹.
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