在自闭症谱系障碍中改变了高阶结构和功能连接合
Zheng Dai1, Lan Yang1, Zhifeng Li1
1College of Computer Science and Technology, Taiyuan University of Technology, Taiyuan, China.
Journal of autism and developmental disorders
|February 17, 2026
概括
自闭症谱系障碍 (ASD) 涉及改变的大脑连接. 这项研究表明,高阶结构连接 (hSC) 和它们与功能连接的合对于理解ASD神经机制至关重要.
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.
- 计算神经科学是一种神经科学.
背景情况:
- 自闭症谱系障碍 (ASD) 的特点是已知的直接大脑连接的差异.
- 大脑功能在很大程度上依赖于间接的,高阶结构连接 (hSC).
- 了解hSC对功能关系的影响对于ASD神经机制研究至关重要.
研究的目的:
- 研究高阶结构连接 (hSC) 在自闭症谱系障碍 (ASD) 中的作用.
- 在ASD中量化结构和功能连接 (SC-FC合) 之间的关系.
- 确定特定的大脑网络和区域,在ASD中发生SC-FC合变化.
主要方法:
- 利用node2vec嵌入来描述大脑节点和构建hSC网络.
- 区分HSC网络成直接和间接连接.
- 使用结构功能合 (SC-FC合) 来量化76个ASD和64个典型发育参与者的结构功能关系.
主要成果:
- 在ASD组中观察到SC-FC合的显著差异.
- 在丰富的俱乐部连接和模块 (如默认模式和视觉网络) 中,变化很突出.
- 特定区域的合强度 (例如,左上额头) 与ASD症状严重程度相关.
结论:
- 高阶网络相互作用对于分析神经发育障碍中的结构和功能关系很重要.
- 这项研究强调了hSC的作用及其与ASD功能连接的合.
- 这些发现为自闭症谱系障碍的神经基础提供了新的见解.
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