增加灰质与青少年强迫症障碍中痴迷和无情感的关联
Kun Li1, Xiaochi Yuan2, Kexu Zhang2
1Neuropsychology and Applied Cognitive Neuroscience Laboratory, State Key Laboratory of Cognitive Science and Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; Department of Physical Therapy, Shandong Daizhuang Hospital, Jining, Shandong, China; Jining Key Laboratory of Neuromodulation, Jining, Shandong, China.
Asian journal of psychiatry
|February 24, 2026
概括
青少年强迫症 (OCD) 在关键大脑区域显示灰质体积增加. 在青少年患有强迫症中,右侧膜在将无情和强迫症症状联系起来方面发挥着作用.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 发展心理学 发展心理学
背景情况:
- 青少年强迫症 (OCD) 是一种严重的疾病,其神经发育起源尚未得到充分研究.
- 青少年强迫症的现有结构性神经成像发现不一致,缺乏与特定症状维度 (如无情感) 的联系.
研究的目的:
- 为了调查与健康对照人群相比,强迫症青少年的灰质体积 (GMV) 差异.
- 探索GMV,强迫症症状严重程度和无情感之间的关系.
- 为了测试右侧门在安赫多尼亚-痴迷关系中的调解作用.
主要方法:
- 基于Voxel的形态学 (VBM) 和基于表面的形态学 (SBM) 用于分析38名强迫症青少年和31名健康对照者的大脑结构.
- 临床评估包括儿童耶鲁-布朗强迫症强迫性尺度和儿童抑郁症库存.
- 进行了组间比较,相关性分析和调解分析.
主要成果:
- 患有强迫症的青少年在边缘,准边缘和皮层下区域 (例如海马体,杏仁体,insula,putamen) 显著增加了GMV.
- 从没有药物治疗的强迫症到药物治疗的强迫症到健康对照,观察到GMV的逐渐减少.
- 右岛内和门的GMV与强迫症症状有积极的相关性,而右门部分介导了无情和强迫症症状之间的联系.
结论:
- 青少年强迫症的特点是,在参与情绪处理和突出检测的区域中,GMV增加.
- 右侧的胰岛和门与强迫症症状有结构性联系.
- 一个新的神经解剖学模型表明,通过门介导的奖励处理缺陷,有助于强迫症症状.
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