异常的大脑结构与自闭症谱系障碍儿童的社会和沟通缺陷有关:基于voxel的形态学分析
Ming-Xiang Xu1, Xing-Da Ju1,2
1School of Psychology, Northeast Normal University, Changchun 130024, China.
Brain sciences
|May 27, 2023
概括
儿童自闭症谱系障碍 (ASD) 在特定的大脑区域显示异常的灰质体积. 这些结构性大脑变化与社交沟通困难相关,为ASD功能障碍提供了洞察力.
科学领域:
- 神经科学是一个神经科学.
- 发育神经科学的发展神经科学.
- 神经成像是一种神经成像.
背景情况:
- 结构磁共振成像 (sMRI) 研究表明,自闭症谱系障碍 (ASD) 中的大脑结构异常.
- 这些结构变化与社会沟通缺陷之间的确切关系尚不清楚.
- 了解这些联系对于解决ASD临床功能障碍至关重要.
研究的目的:
- 研究ASD儿童临床功能障碍背后的结构性大脑机制.
- 探索灰色物质体积 (GMV) 与ASD中社交沟通障碍之间的关系.
主要方法:
- 在自闭症脑成像数据交换 (ABIDE) 数据库中的T1结构MRI数据上使用基于声素的形态测量 (VBM).
- 在98名患有自闭症儿童和105名典型发育 (TD) 儿童 (8-12岁) 之间比较了GMV.
- 与自闭症儿童自闭症诊断观察表 (ADOS) 的社会沟通得分相关的GMV.
主要成果:
- 在多个大脑区域的ASD儿童中发现了显著的GMV异常,包括中脑,pons,双边海马,以及几个时和椎.
- 在ASD儿童中发现ADOS社会沟通得分和GMV在左海马,左上旋和左中旋之间的正相关性.
- 突出了与社会沟通缺陷相关的特定区域大脑结构.
结论:
- 患有自闭症的儿童表现出明显的灰质结构异常.
- 这些结构差异与特定的临床功能障碍有关,特别是在社会沟通方面.
- 这些发现有助于理解ASD的神经生物学基础.
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