形成连接:功能性大脑连接与早期儿童的执行功能能力有关
Caroline Kelsey1,2, Adelia Kamenetskiy3, Kaitlin Mulligan3
1Division of Developmental Medicine, Department of Pediatrics, Boston Children's Hospital, Boston, Massachusetts, USA.
Developmental science
|December 31, 2024
概括
这项研究使用功能近红外光谱学 (fNIRS) 来跟踪儿童大脑网络的发育. 执行功能 (EF) 与儿童时期的大脑连接有关,突出显示了自我调节的早期神经基础.
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:
- 成人fMRI研究将默认模式和前对对联网络与执行功能 (EF) 联系起来.
- 由于神经成像方面的挑战,对早期儿童大脑网络的发展和EF的研究有限.
- 功能近红外光谱学 (fNIRS) 为婴儿和儿童神经成像提供了一个可行的替代方案.
研究的目的:
- 研究幼儿时代功能性大脑网络的发育轨迹.
- 检查从婴儿期到7岁的功能性大脑网络连接和执行功能 (EF) 之间的关联.
- 探索早期发育过程中调节能力的神经支.
主要方法:
- 长度研究涉及207名儿童,fNIRS数据收集于婴儿期,3岁,5岁和7岁.
- 在儿童观看2分钟非社交视频时获得的fnirs数据.
- 在3,5,7岁时进行行为评估和家长问卷,以评估孩子的EF.
主要成果:
- 早期的功能性大脑网络连接不能预测以后的连接.
- 执行功能 (EF) 在默认模式和前对对联网络中显示出与功能连接的并发和纵向关联.
- 在整个发育过程中观察到功能性大脑网络组成的显著变化,功能保留.
结论:
- 幼儿时期是神经网络发展的关键时期,这些神经网络支持执行功能.
- 功能性大脑网络连接和执行功能在早期发育过程中密切交织在一起.
- fNIRS是研究幼儿神经发育轨迹的一个有价值的工具.
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