在以人口为基础的样本中确定图片命名的纵向变化
Deborah Finkel1,2,3, Ying Liu4, Margaret Gatz4,5
1Center for Economic and Social Research, University of Southern California, Los Angeles, CA, USA. dgfinkel@usc.edu.
Aging clinical and experimental research
|August 29, 2025
概括
中年图片命名能力是认知健康的关键指标. 具有稳定的图片命名能力的成年人出现认知障碍的可能性更高.
科学领域:
- 认知神经科学
- 老年学
- 心理测量
背景情况:
- 认知能力下降通常在65岁以后就会显现出来,
- 图片命名的缺陷与早期和加速的认知变化有关.
研究的目的:
- 确定成年人图片词汇表现的不同轨迹.
- 研究这些轨迹与认知障碍的风险之间的关联.
主要方法:
- 通过国家代表性的互联网小组"理解美国研究"的数据.
- 使用增长混合模型来分析在4个波段 (2年间隔) 收集的图片词汇得分.
- 包括5005名18至98岁的成年人,平均随访时间为5. 60年.
主要成果:
- 确定了三种不同的图像命名轨迹:高/增加,中/增加和低/稳定.
- 低/稳定的图像命名类表现出显著更高的认知障碍的可能性.
- 即使控制其他变量时,认知障碍也显著预测了类成员身份.
结论:
- 通过绘制物体命名等任务来评估图片词汇,
- 在中年图片命名中稳定的表现可能表明以后认知能力下降的风险增加.
- 通过可访问的措施及时识别认知变化对于及时干预至关重要.
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