在ABCD研究中通过横截面和纵向分析揭示了发育期间的融合和分离的大脑认知关系
bioRxiv : the preprint server for biology
|June 12, 2025
概括
青春期早期稳定的大脑网络组织强烈预测了未来的认知能力. 这种基本的大脑连接影响认知,而不是短期的变化或当前的认知状态.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 认知科学 认知科学
背景情况:
- 在发育过程中了解大脑网络和认知能力的共同进化至关重要.
- 青少年大脑认知发展 (ABCD) 研究为研究这些关系提供了宝贵的纵向数据.
研究的目的:
- 研究休息状态功能连接 (FC)及其变化如何预测青春期早期的认知能力.
- 确定基线FC或纵向FC变化是未来认知功能的更强的预测因素.
- 探索大脑网络组织和随时间推移的认知发展之间的动态相互作用.
主要方法:
- 利用了来自ABCD研究的2,949名个体 (年龄为8.9-13.5岁) 的纵向数据.
- 分析了基线和2年休息状态功能连接 (FC) 和认知能力的测量.
- 采用预测建模来评估FC和认知结果之间的关系,考虑到可靠性差异.
主要成果:
- 基线功能连接 (FC) 是未来认知能力的更强的预测因素,而不是并发的认知能力.
- 根据基线FC训练的预测模型对未来的认知数据进行了更好的概括,这表明加强了大脑认知关系.
- 基线FC在预测未来认知能力方面表现优于纵向FC变化,即使考虑到测量可靠性.
结论:
- 青春期早期大脑功能网络组织的稳定个体差异显著影响未来的认知结果.
- 这些发现表明,基础的大脑连接在认知发展中起着比连接能力的短期波动更为关键的作用.
- 这项研究提供了大脑认知关系的发展轨迹的见解,并强调了稳定的网络组织的重要性.
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