在536名儿童和青少年中,算术技能与左前时灰质体积有关
Nurit Viesel-Nordmeyer1,2,3, Jérôme Prado4
1Lyon Neuroscience Research Center (CRNL), INSERM U1028-CNRS UMR5292, University of Lyon, 69500, Bron, France. nurit.viesel@tu-dortmund.de.
NPJ science of learning
|December 8, 2023
概括
数学技能的个体差异与大脑结构有关. 这项研究发现,左下额头环和中环的较大灰质体积与儿童和青少年的较高算术能力相关.
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
- 认知科学 认知科学
背景情况:
- 儿童和青少年的算术技能存在显著的个体差异.
- 之前关于算术技能的神经成像研究经常使用小样本大小,导致关于神经相关的不一致的发现.
- 现有的研究经常将算术处理与皮和海马区域联系起来.
研究的目的:
- 通过使用大型的合并数据集,识别算术技能的个体差异的神经相关值.
- 在发育样本中调查灰色质量和算术能力之间的关系.
主要方法:
- 在六个合并的结构性MRI数据集上使用基于voxel的形态测量.
- 分析了536名儿童和青少年 (年龄为7.515岁) 的综合样本,评估了算术技能.
- 对包括年龄,性别,语言和智力在内的共变量进行控制.
主要成果:
- 在左下额头 (IFG) 中,算术技能和灰质体积之间发现了显著的积极关联.
- 在左中旋 (MTG) 中,算术技能和灰色物质体积之间观察到类似的正相关性.
- 这些前额部区域与算术技能有着独特的关系,与通常涉及的头顶和海马部区域不同.
结论:
- 数学技能的个体差异与左前脑部区域的结构变化有关.
- 这些发现突出了左下额头和中状在算术能力中的作用.
- 这项研究表明,前额部区域,而不是部或海马区域,是发育过程中算术技能个体差异的关键相关因子.
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