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精神分裂症强迫症症状背后不同程度的节点
Yiying Hu1,2, Xiaopei Xu3, Liyuan Luo4
1Department of Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Frontiers in psychiatry
|August 14, 2023
概括
特定区域的脑连接差异,如轨道前回,可能解释精神分裂症的强迫症症状. 与对照组相比,扩散张力成像揭示了这些患者的网络变化.
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.
- 医疗成像医学成像
背景情况:
- 强迫症症状 (OCS) 在精神疾病中很常见,但其神经解剖学基础尚未完全理解.
- 精神分裂症 (SCH) 和强迫症 (OCD) 都可能出现强迫症,因此需要对共享和独特的神经机制进行研究.
研究的目的:
- 通过扩散张力成像 (DTI) 来调查与精神分裂症中强迫症症状相关的结构性大脑连接差异.
- 为了比较强迫症患者,SCH患者 (有或没有克洛扎宾治疗) 和健康对照 (CN) 之间的网络特征.
主要方法:
- 扩散张力成像 (DTI) 用于分析21名强迫症患者,20名SCH患者,12名SCH患者接受克洛扎 (LDP) 和25名CN的结构性大脑连接.
- 评估了网络拓,效率和区域大脑特征,重点关注节点程度差异.
- 临床评估包括耶鲁-布朗强迫症强迫性量表 (Y-BOCS),正负综合征量表 (PANSS) 和汉密尔顿抑郁量表 (HAMD-24).
主要成果:
- 在SCH,OCD和CN群体中,在上层轨道前环,语言环,后中心环和下层状环中观察到节点度的显著差异.
- 在CN,OCD,SCH和LDP组中,在前中心环,语言环,后中心环和下环中发现了结节度的进一步显著差异.
结论:
- 特定的大脑节点的程度变化,包括轨道前皮层和部区域,与精神分裂症中强迫症症状的机制有关.
- 基于DTI的连接分析提供了关于精神疾病中OCS神经生物学基础的见解.
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