年龄和阅读经验对阅读理解寿命神经发育的影响
Xinyang Liu1, Lihuan Zhang1, Saiwen Yu1
1Beijing Normal University.
Journal of cognitive neuroscience
|November 27, 2023
概括
阅读理解的大脑发育因年龄和经验而异. 成熟影响文字处理,而阅读经验提高了句子的理解,而年龄影响了这些效应.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 发展心理学 发展心理学
背景情况:
- 阅读理解是一个关键的终身技能,但它的神经发育在整个生命周期是研究不足的.
- 成熟和经验显著影响大脑发育,影响阅读等认知功能.
- 阅读理解涉及不同的低层 (文字阅读) 和高层 (语义整合) 过程.
研究的目的:
- 研究年龄和阅读经验如何影响低级和高级阅读理解过程的神经生物学.
- 检查成熟和经验对与阅读相关的大脑功能的差异性影响.
主要方法:
- 功能磁共振成像 (fMRI) 数据从158名年龄在7至77岁的参与者中收集.
- 参与者完成了一项被动字查看任务 (较低级) 和一项句子理解任务 (较高级).
- 分析重点关注大脑激活和连接的年龄和经验相关变化.
主要成果:
- 较低水平的阅读过程显示了与年龄相关的变化,在腰和额头区域的激活增加,在腰和额头区域的激活减少.
- 高级阅读过程主要受到阅读经验的影响,利用前时间语义网络来更好地理解句子.
- 阅读体验的影响因年龄而异:对儿童没有显著的影响,对年轻人较低层次的过程产生积极影响,对老年人较高层次的过程产生积极影响.
结论:
- 低级和高级阅读理解的大脑机制受到成熟和阅读经验的不同影响.
- 阅读经验对大脑功能的影响在文字和句子处理阶段都取决于年龄.
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