物理性能测试与认知变化之间的关联:认知状态的缓和效应
Zhi Hao Lim1, Junhong Yu2, Sangita Kuparasundram3
1Department of Psychology, Faculty of Arts and Social Sciences, National University of Singapore, Singapore.
Current Alzheimer research
|November 22, 2024
概括
身体表现没有强烈预测新加坡老年人的认知变化. 然而,认知状态调节了这些关联,强调了它在研究衰老和认知方面的重要性.
科学领域:
- 老年学是一门学科.
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
背景情况:
- 与年龄相关的认知能力下降是一个日益关注的问题,身体表现被确定为潜在的危险因素.
- 以前的研究通常集中在西方人口和认知障碍的后期阶段,限制了概括性.
- 了解不同人群和早期认知阶段的这些关联至关重要.
研究的目的:
- 在新加坡人口中调查身体表现和认知变化之间的纵向关联.
- 检查全球,基于执行功能 (EF) 和非EF的领域的认知变化.
- 探索轻度认知障碍 (MCI) 和认知正常 (CN) 状态的缓解作用.
主要方法:
- 在社区健康与代际 (CHI) 研究中,分析了347名参与者 (284名CN,63名MCI) 的数据.
- 使用神经认知电池和身体性能测试:定时起步 (TUG),快速步行速度 (FGS) 和30秒的椅子站测试 (30s-CST).
- 使用多变量线性回归模型来分析基线物理性能和认知变化.
主要成果:
- 只有在快速步行速度 (FGS) 和语义流性认知变化之间才发现了显著的关联.
- 大多数体力表现测量没有显示出与认知变化有显著的纵向关联.
- 认知状态 (CN与MCI) 显著缓解了TUG/30s-CST和神经认知测试结果之间的关系.
结论:
- 这些发现与以前的文献不同,表明在这个队列中,身体表现和认知变化之间存在有限的直接纵向联系.
- 认知状态起着至关重要的调节作用,表明基线认知健康影响了身体-认知关系.
- 未来的研究应该考虑在没有痴呆症的异质老年人群中的认知状态,以更好地理解这些关联.
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