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相关概念视频

Autism Spectrum Disorder01:19

Autism Spectrum Disorder

121
Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
121

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相关实验视频

Updated: Jul 15, 2025

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging
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脑电图连接性 自闭症儿童与典型发育儿童之间的差异:一项比较研究

Jiannan Kang1, Hongxiang Xie1, Wenqin Mao1

  • 1Child Rehabilitation Division, Ningbo Rehabilitation Hospital, Ningbo 315040, China.

Bioengineering (Basel, Switzerland)
|September 28, 2023
PubMed
概括

自闭症谱系障碍 (ASD) 在儿童中显示出较高的脑连接多样性,而不是典型的发育同龄人. 阶段滞后 (PLE) 分析揭示了这些差异,为神经机制提供了洞察力.

关键词:
这是一个EEGEEGEEGEEGEEGEEGEEG.自闭症谱系障碍 (ASD)连接性多样性多样性阶段滞后 (PLE) 阶段滞后.

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A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
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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
  • 生物医学工程 生物医学工程

背景情况:

  • 自闭症谱系障碍 (ASD) 是一种影响社会互动,沟通和行为的神经发育状况.
  • 以前的研究表明,ASD儿童的大脑连接模式发生了变化.
  • 了解这些连接差异对于识别ASD的神经机制至关重要.

研究的目的:

  • 研究与典型发育儿童相比,ASD儿童的大脑连接模式的多样性.
  • 引入和利用一种基于波纹的新型阶段滞后 (PLE) 方法来分析特定频率尺度上的大脑连接.
  • 探索大脑半球内和半球间连接的差异.

主要方法:

  • 利用相位滞后 (PLE),测量时间序列之间的相位差异可变性,以量化大脑连接.
  • 开发了一种基于波纹的PLE方法来计算在特定频段 (Delta和Alpha) 的PLE.
  • 在患有自闭症儿童和典型发育的儿童中比较了连接模式,检查了半球区域内和半球区域之间的连接模式.

主要成果:

  • 与典型发育的儿童相比,自闭症儿童的脑连接多样性明显高.
  • 这些差异在德尔塔和阿尔法频段是明显的.
  • 在ASD组中,在半球大脑区域内和半球大脑区域之间观察到更多的连接多样性.

结论:

  • 这些发现表明,大脑连接多样性的改变是自闭症谱系障碍的特征.
  • 新型基于波形的PLE方法为评估ASD研究中的大脑连接提供了有价值的工具.
  • 这项研究提供了有关自闭症神经支的见解,以及该疾病的潜在生物标志物.