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Updated: Feb 26, 2026

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在形态相似性网络中通过拓偏差绘制ADHD异质性和生物型的映射

Nanfang Pan^1,2, Yajing Long¹, Kun Qin³

¹Department of Radiology, Huaxi MR Research Center, Institute of Radiology and Medical Imaging, Psychoradiology Key Laboratory of Sichuan Province, Research Unit of Psychoradiology, Chinese Academy of Medical Sciences, West China Hospital of Sichuan University, Chengdu, China.

JAMA psychiatry

|February 25, 2026

概括

这项研究使用脑成像和规范建模确定了注意力缺陷/多动障碍 (ADHD) 的三个不同的亚型. 这些ADHD生物型具有独特的临床和神经特征,为个性化治疗铺平了道路.

科学领域:

神经科学是一个神经科学.
精神病学是一种精神病学.
发展心理学发展心理学

背景情况:

注意缺陷/多动障碍 (ADHD) 呈现出显著的临床异质性,挑战目前的分类系统.
现有的框架限制了对ADHD进行神经生物学知情分类方法的开发.

研究的目的:

调查大脑形态学相似性网络的规范建模是否可以在儿童中识别ADHD的强有力的分层标记.
探索基于神经生物学特征的ADHD新型亚型化方法.

主要方法:

使用多站点,横截面神经成像数据与纵向认知评估.
构建了形态相似性网络,并将规范建模应用于拓指标 (中心度,节点效率,参与系数).
采用半监督集群来划分ADHD生物型,并检查他们的临床和神经特征,包括神经化学和功能相关性,并进行外部验证.

主要成果:

与对照组相比,ADHD病例显示出异常的大脑网络组织,特别是在轨道前皮层.
确定了三种不同的ADHD生物型:严重结合情绪失调,主要是过度活跃/冲动,主要是不注意.
每个生物型都表现出独特的临床特征,纵向轨迹和独特的神经生物学基础,研究结果在独立的队列中复制.

结论:

规范建模与半监督集群结合,为ADHD异质性提供了有价值的见解.
鉴定出的ADHD生物型具有不同的临床神经特征,进步了对ADHD神经生物学复杂性的理解.
这些发现为开发ADHD个性化管理策略提供了基础.

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