患有多动症儿童的白质微结构子组:类似的临床表现和不同的神经心理特征
Lan-Fang Hu1, Yun-Yu Zhong2, Peng Wang3
1Affiliated Shenzhen Children's Hospital of Shantou University Medical College, Shenzhen, 518026, China; Shenzhen Children's Hospital, Shenzhen, 518026, China.
Journal of psychiatric research
|February 21, 2025
概括
注意缺陷多动症 (ADHD) 可以根据白质差异进行分组,影响认知功能和甲基胺反应. 这些独特的ADHD小组对治疗的反应各不相同.
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
- 放射学 放射学是一门学科.
背景情况:
- 注意缺陷多动症 (ADHD) 是一种复杂的神经发育障碍.
- 目前对ADHD的诊断标准没有完全捕捉到底层的神经生物学异质性.
- 分组ADHD可能会导致更个性化的治疗策略.
研究的目的:
- 根据白质的微观结构特征,研究ADHD个体的分组潜力.
- 探索不同的白质概况是否与ADHD的特定认知缺陷和治疗反应相关.
主要方法:
- 扩散张力成像 (DTI) 用于测量ADHD的227名儿童和89名健康对照的关键白质道的微分异性质 (FA).
- 临床和神经心理学评估包括ADHD-RS,CBCL,BRIEF和CANTAB.
- 用集群分析来确定ADHD队列中的子组,然后用ANCOVA和后勤回归进行组对比.
主要成果:
- 集群分析根据白质FA确定了两个不同的ADHD子组.
- 在两个ADHD小组之间,没有发现行为指标 (ADHD-RS,CBCL,BRIEF) 的显著差异.
- 集群-2显示较低的FA和较差的处理速度,而集群-1显示较高的FA但受损的响应抑制和持续的注意力.
- 与Cluster-1相比,Cluster-2表现出对甲基酸的反应优于Cluster-1.
结论:
- 根据白质的微观结构特征,ADHD参与者可以分为分层,尽管临床表现相似.
- 这些微观结构子组与明显的认知功能障碍模式有关.
- 鉴定的子组对甲基酸盐治疗的反应不同,这表明治疗变异性的生物基础.
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