公共卫生 公共卫生
Allen Ting-Chun Lee1, Yishan Luo2, Zhaohua Huo1
1The Chinese University of Hong Kong, New Territories, Hong Kong SAR, China.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
增加书法实践增强了主观认知衰退的老年人的突出网络. 这种认知活动可以改善认知调节,并保持大脑网络的完整性.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 老年学是一门学科.
背景情况:
- 以前的研究表明,像书法这样的认知活动可以改善主观认知衰退的老年人的工作记忆和默认模式网络连接.
- 这项研究调查了增加认知参与对其他功能性大脑网络的影响.
研究的目的:
- 检查增加书法实践对功能性大脑网络超出默认模式网络的影响.
- 评估 Salience 网络和中央执行网络的变化.
主要方法:
- 一项随机对照试验,有112名参与者 (55-75岁) 患有主观认知衰退,练习书法.
- 参与者被分配到对照组 (常规实践) 或干预组 (六个月的双重实践).
- 功能性MRI在干预前后评估了Salience网络和中央执行网络内的功能连接.
主要成果:
- 干预组在核心 Salience 网络组件 (前面的胰岛,上边缘环,前额叶皮层) 之间显示出强化的功能连接.
- 在集团之间没有观察到中央执行网络内部功能连接的显著变化.
- 对照组在 Salience 网络连接方面没有显著变化.
结论:
- 增加的认知活动,特别是书法,增强 Salience 网络功能在整合和处理刺激.
- 这表明一种潜在的非药物干预对认知调节和维持老年人网络完整性的潜在非药物干预.
- 需要进一步的研究来探索长期影响和潜在机制.
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