在语言网络之外:在10岁的孩子中,阅读,接收词汇和灰质体积之间的关联
Lara Langensee1, Nicola Spotorno2, Johan Mårtensson1
1Department of Clinical Sciences, Lund University, Lund, Sweden.
Neuropsychologia
|November 8, 2023
概括
特定大脑区域的灰质体积与儿童的语言能力的联系有限. 这项研究表明,仅仅大脑的宏观结构特征不能完全解释个体在阅读和词汇表现方面的差异.
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:
- 关于儿童语言能力的神经结构基础的现有研究通常依赖于小样本和基于表面的指标.
- 这项研究通过利用大量数据集和灰色物质形态学的替代测量来解决这些局限性.
研究的目的:
- 调查灰质量和语言表现在9-11岁儿童的大样本中之间的联系.
- 识别与词汇和阅读能力相关的特定大脑区域.
主要方法:
- 利用了青少年大脑认知发展 (ABCD) 研究的数据 (N=1865).
- 估计整个大脑灰质体积和测试的相关性与图片词汇和字母/单词阅读分数.
- 采用相关性和多重回归分析,控制一般智能和灰色物质总量.
主要成果:
- 发现灰质体积在右尾状回环,右舌状回环和小脑与词汇和阅读分数之间的相关性.
- 右尾状和舌头旋转集群在验证队列中表现出强度.
- 灰色物质体积解释了有限的差异,与不一致的共同变量效应.
结论:
- 研究结果表明,仅仅大脑的宏观结构特征无法充分解释儿童在阅读和词汇表现方面的个体差异.
- 强化了对大脑宏观结构特征对语言能力的独特贡献的现有怀疑.
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