个体内认知变异性预测了纵向神经认知和功能衰退的轨迹
Shayne S-H Lin1,2,3, Mengya Xia4, Rebecca S Allen1,2
1Department of Psychology, College of Arts and Sciences, The University of Alabama, Tuscaloosa, AL, USA.
The Clinical neuropsychologist
|August 19, 2025
概括
个体内认知变化 (IICV) 预测了老年人的认知衰退和日常功能下降. 这一发现支持IICV在神经心理评估中用于早期检测.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 认知心理学 认知心理学
背景情况:
- 个体内认知变化 (IICV) 预测了老年人的认知衰退和痴呆症.
- 人们对IICV与日常功能之间的关联不太了解.
- 需要进行多个时间点的纵向研究来澄清这些关系.
研究的目的:
- 调查IICV在老年人认知衰退的轨迹上的预测能力.
- 检查IICV对自我报告的日常功能下降的可预测性.
- 分析具有多个时间点的纵向数据,以了解IICV的影响.
主要方法:
- 利用了来自拉什阿尔茨海默氏病中心 (N=4,319) 的多样化,纵向数据集.
- 使用增长曲线建模分析了5个数据波.
- 进行多次灵敏度分析以确保稳定性,控制共变量,基线性能,偏差和消耗.
主要成果:
- IICV的趋势显著预测了认知的轨迹 (β = -0.57,p = 0.002).
- IICV还预测了自我报告的日常功能 (β = 0.48,p = 0.037) 的轨迹.
- 考虑到人口共变量,基线认知,偏向和消耗后,结果仍然强.
结论:
- 在老年人中,IICV是认知和日常功能下降的重要预测因素.
- 这些发现支持IICV在神经心理评估中的临床实用性.
- 严格的方法提高了对IICV在衰老和神经退行中的作用的理解.
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