在有认知障碍的老年人中,在各种抑制功能的不同水平上,大脑功能连接特征
Xin Xin1, Zixian Wang2, Shuqi Jia3
1Department of Physical Education, Shanghai International Studies University , Shanghai, China.
在认知障碍的老年人中,大脑网络连接与抑制功能有关. 前额头和顶部区域的增强连接与更好的抑制控制相关,这表明体育训练有助于提高认知能力的潜力.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 老年学是一门学科.
背景情况:
- 老年人的认知障碍是一个越来越令人担忧的问题.
- 抑制功能对认知健康和日常活动至关重要.
- 了解大脑网络连接是解决认知衰退的关键.
研究的目的:
- 探索不同认知障碍和抑制功能水平的老年人大脑网络连接模式.
- 为了确定影响抑制功能的特定大脑连接特征.
- 研究身体功能,EEG活动和认知能力之间的关系.
主要方法:
- 分析了120名认知障碍的老年人的静止状态EEG信号.
- 通过蒙特利尔认知评估 (MoCA) 评估认知功能,并通过Stroop任务进行抑制控制.
- 评估身体功能,包括肌肉力量和运动能力 (30秒坐立,SPPB).
- 统计分析 (皮尔森相关性,ANOVA) 和大脑网络可视化 (BrainNet Viewer).
主要成果:
- 斯特鲁普任务的性能 (准确性和反应时间) 与MoCA分数有显著的相关性.
- 在不同认知障碍组中观察到身体功能和EEG指标的显著差异.
- 较高的抑制精度与更强的前额/副额连接相关;更快的反应时间与中央/尾连接相关.
- 半球连接平衡影响了抑制功能和任务效率.
结论:
- 大脑网络连接,特别是在前额头和头顶区域,与认知障碍老年人的抑制功能有关.
- 身体功能训练可能会对这一群体的EEG活动和认知功能产生积极影响.
- 针对特定的大脑网络模式可以为认知增强策略提供新的途径.
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