在CATSLife中,中年期临近的脆弱性和处理速度表现
Maria G Luna1, Shandell Pahlen1, Robin P Corley2
1Department of Psychology, University of California, Riverside, Riverside, California, USA.
概括
脆弱存在于中年之前,并与较慢的处理速度 (PS) 相关. 这种关联随着年龄的增长而恶化,这凸显了早期干预对健康老龄化的重要性.
科学领域:
- 老年学是一门学科.
- 认知神经科学 认知神经科学
- 发展心理学 发展心理学
背景情况:
- 虚弱,一个生理上的脆弱性,在整个成年期发展,并不仅限于老年.
- 在中年之前对脆弱性的研究及其对年龄敏感特征的影响,如处理速度 (PS) 是有限的.
- 中年过渡期是促进健康衰老的干预措施的关键时期.
研究的目的:
- 为了调查中年之前脆弱的存在.
- 检查接近中年期的成年人中脆弱性和处理速度 (PS) 之间的关联.
- 了解年龄如何调节虚弱和PS之间的关系.
主要方法:
- 利用了来自科罗拉多州采用/双胞胎研究寿命行为发展和认知衰老的1,215名参与者的数据.
- 构建了25项 (FI25) 和30项 (FI30) 的脆弱性指数.
- 使用科罗拉多州感知速度任务和WAIS-III数字符号 (DS) 子测试测量PS,使用多层模型考虑家族聚类并调整共变量.
主要成果:
- 脆弱性指数显示出可靠性,其模式表明潜在的非添加性遗传影响.
- 较高的脆弱与较差的PS有关,特别是数字符号 (DS) 亚试验 (BFI25/30:p <.001).
- 虚弱和DS表现之间的负面关联因年龄而减弱,在样本中,随着年龄的增长,影响变得更加明显.
结论:
- 脆弱性在中年之前是可以检测到的,并且与处理速度的减少有关.
- 虚弱和认知功能之间的相互作用,特别是PS,随着个体的年龄增长到中年,变得更加重要.
- 研究结果强调了解决中年期脆弱性的重要性,以维持整个生命周期的认知健康.
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