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Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

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Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
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Updated: Jun 27, 2025

Application of Granger Causality Analysis of the Directed Functional Connection in Alzheimer's Disease and Mild Cognitive Impairment
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识别与ADHD相关的异常功能连接,使用图形卷积神经网络.

Yilin Hu1, Junling Ran1, Rui Qiao1

  • 1Department of Biomedical Engineering, School of Bioinformatics, Chongqing University of Posts and Telecommunications, Chongqing 400065, China.

Neural plasticity
|May 8, 2024
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概括

注意缺陷多动障碍 (ADHD) 涉及大脑网络功能障碍. 这项研究确定了关键的大脑区域,包括对注意力至关重要的额头和部区域,为ADHD提供了潜在的神经影像生物标志物.

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相关实验视频

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科学领域:

  • 神经科学是一个神经科学.
  • 神经成像是一种神经成像.
  • 计算精神病学是一种计算精神病学.

背景情况:

  • 注意缺陷多动性障碍 (ADHD) 是一种流行的神经发育障碍.
  • 现有的研究不足地将神经网络与ADHD中的注意力网络联系起来.
  • 了解ADHD的神经基础对于改善诊断和治疗至关重要.

研究的目的:

  • 通过检查功能连接来研究ADHD背后的神经机制.
  • 在ADHD的注意力网络中识别广义的神经成像生物标签.
  • 探索ADHD和典型发育个体之间的差异性功能连接网络.

主要方法:

  • 使用了静止状态功能磁共振成像 (fMRI) 数据.
  • 使用图形卷积神经网络 (GCNN) 模型进行ADHD分类.
  • 视觉化的大脑区域对分类结果做出了重大贡献.

主要成果:

  • 在患有ADHD的个体中,在额头部,部,部和小脑区域发现了显著的功能连接差异.
  • 尖的分辨性大脑区域包括轨道前环,直肠环,胰岛,下环,横环,语言环,基底和小脑.
  • 这些区域是注意力执行控制和注意力导向网络的组成部分.

结论:

  • 特定大脑区域的功能连接功能障碍有助于ADHD.
  • 确定的大脑区域及其网络变化可以作为ADHD的潜在神经成像生物标志物.
  • 这项研究促进了对ADHD神经基础的理解,并有助于开发客观的诊断工具.