认知分散与老年人具有或没有认知障碍的微妙客观日常功能变化有关
Alyssa N De Vito1,2, Catherine H Ju3, Samuel Y Lee4
1Department of Psychiatry and Human Behavior Warren Alpert Medical School of Brown University Providence Rhode Island USA.
Alzheimer's & dementia (Amsterdam, Netherlands)
|February 5, 2024
概括
认知分散,是神经心理测试中可变性的度量,更好地预测老年人的日常功能. 这一发现有助于早期检测认知能力下降和功能变化.
科学领域:
- 老年学是一门学科.
- 神经心理学 神经心理学
- 认知科学 认知科学
背景情况:
- 由于当前评估工具的局限性,对老年人认知和功能衰退的早期检测具有挑战性.
- 认知和日常运作的微妙变化往往没有被注意到,直到出现显著下降.
研究的目的:
- 为了调查认知分散,神经心理测试表现的变化度量,提高客观评估的日常运作的预测.
- 确定认知分散是否提供超出日常生活工具活动 (IADLs) 平均认知表现的增量预测价值.
主要方法:
- 在104名没有痴呆症的社区老年人样本中使用了层次线性回归分析.
- 评估认知分散和平均神经心理表现.
- 使用不引人注目的监控技术来客观地测量日常运作 (例如,使用电脑,使用药盒,驾驶).
主要成果:
- 认知分散显著改善了平均计算机使用时间的预测 (R2 Δ = 0.100,p = 0.005).
- 认知分散也增强了对计算机使用时间变化的预测 (R2 Δ = 0.089,p = 0.009).
- 通过认知分散 (R2 Δ = 0.072,p = 0.013) 改善了每天平均夜间驾驶时间的预测准确性.
结论:
- 认知分散提供了超出平均认知能力的功能状态的宝贵见解.
- 这项测量可以作为一个改进的预测器,用于检测非痴呆老年人的微妙功能变化.
- 这些发现支持了认知分散的实用性,并与不引人注目的监测一起用于早期识别衰退.
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