婴儿大脑和学龄阅读能力的语言网络特征之间的纵向关联是由早期发展的语音技能介导的
Xinyi Tang1, Ted K Turesky2, Elizabeth S Escalante3
1State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China.
Developmental cognitive neuroscience
|June 14, 2024
概括
婴儿大脑的语言网络连接性预测了以后的阅读技能. 婴儿语言网络中的功能连接,特别是下面的额头模块,与幼儿园的语音能力和早期阅读成功有关.
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
- 语言学的语言学.
背景情况:
- 阅读学习是一个复杂的过程,取决于早期的语言发展.
- 纵向研究表明,婴儿的语言技能预测了以后的阅读表现.
- 婴儿语言网络如何支持长期阅读的神经支尚未得到充分理解.
研究的目的:
- 调查婴儿语言网络功能连接和以后的阅读能力之间的纵向关系.
- 确定神经生物学机制,将早期语言发育与阅读能力联系起来.
- 探索声学技能作为这种发展轨迹中调解者的作用.
主要方法:
- 一项为期7年的纵向研究,涉及76名婴儿.
- 休息状态功能磁共振成像 (fMRI) 在婴儿期.
- 在幼儿园进行标准化语言和语音评估,以及在学龄儿童中进行新兴文字阅读评估.
主要成果:
- 层次聚类确定了一个模块化的婴儿语言网络.
- 婴儿语言网络下面的前部模块内的功能连接 (FC) 预测了幼儿园的语音技能和新兴的文字阅读能力.
- 幼儿园的语音技能调解了婴儿FC和学龄阅读能力之间的关联,即使在控制共变量之后.
结论:
- 婴儿语言网络功能连接是未来阅读成功的神经生物学标志物.
- 早期的语言能力,反映在大脑网络功能中,为阅读学习提供了基础.
- 语音技能是早期神经语言发展和后来的阅读能力之间的关键发展桥梁.
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