基于Connectome的预测建模老化,整体认知功能和记忆性能
Yi Gu1, Lianghu Guo1, Xinyi Cai1
1School of Biomedical Engineering, ShanghaiTech University, Shanghai, China.
The European journal of neuroscience
|November 11, 2024
概括
大脑连接组模式可以预测健康成年人的衰老和智商 (IQ). 虽然大脑连接体显示出与记忆系数 (MQ) 的弱联系,但它调解了年龄-认知关系,这表明它是认知健康的保护机制.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 医疗成像医学成像
背景情况:
- 休息状态功能磁共振成像 (rs-fMRI) 和大脑连接体分析提供了对大脑衰老和认知功能的洞察.
- 之前的研究分别检查了大脑连接组与年龄,全球认知和记忆的关联.
- 很少有研究同时整合了年龄,整体认知和记忆表现的预测.
研究的目的:
- 为了确定大脑连接体标记器预测年龄,智商 (IQ) 和记忆率 (MQ) 在健康的老龄化队列.
- 探索大脑连接,衰老和认知功能之间的复杂相互关系.
- 研究大脑连接体在年龄和认知功能之间的关系中的调解作用.
主要方法:
- 采用了基于数据的方法,对来自多中心,正常衰老队列 (n=313) 的rs-fMRI数据进行了数据驱动.
- 应用预测建模来评估大脑连接组预测年龄,智商和MQ的能力.
- 进行了调解分析,以检查大脑连接体在年龄认知联系中的作用.
主要成果:
- 大脑连接组成功预测了时间年龄和智商.
- 大脑连接体和MQ之间的关联被发现是弱的.
- 涉及轨道前皮层的连接性与年龄和智商都有显著的关联.
结论:
- 大脑连接体是衰老和整体认知功能 (IQ) 的重要预测因素.
- 大脑连接体可能起到调解作用,在健康的衰老过程中为认知功能提供保护机制.
- 这些发现突出了维持整个生命周期的认知健康的潜在神经相关性.
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