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Rebecca A Marks1, Florence Bouhali2, Xin Sun3
1Department of Human Development & Family Science, Purdue University, West Lafayette, Indiana, USA.
Developmental science
|February 17, 2026
概括
儿童早期阅读发展显示出明显的脑网络变化. 开始阅读的人表现出更多的左半球连接,表明高效的印刷处理和成熟的神经网络用于阅读技能.
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:
- 从预阅读过渡到早期的词识别是一个关键的发展时期.
- 了解阅读学习的神经基础对于早期识字干预至关重要.
研究的目的:
- 调查与早期儿童阅读发展相关的功能性大脑连接的个体差异.
- 在正式识字指导开始时,比较预读者和开始阅读者之间的神经网络模式.
主要方法:
- 66名幼儿园儿童 (5-6岁) 在视觉文字处理任务中接受了功能磁共振成像 (fMRI).
- 根据标准化识字评估,参与者被分为预读者或初读者.
- 用确认子组组代多级模型估计 (cs-GIMME) 来分析基于任务的功能连接模式.
主要成果:
- 在预读者和开始阅读者之间,没有发现整体网络复杂性的显著差异.
- 开始阅读的读者显示出更对称的网络组织,在视觉文字形式区域和左半球语言中心中具有更大的中心性.
- 预读者表现出更分布式的连接和更大的右半球内连接,而阅读技能的增加与左侧侧化相关.
结论:
- 新兴的识字技能与发育中的大脑中独特的功能神经连接模式有关.
- 阅读发展涉及向更左侧和更有效的神经网络的转变.
- 这些发现提供了关于在正规学校教育的关键第一年期间大脑成熟的见解.
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