在早期和晚期强迫症中,thalamic亚区域功能连接的共享和明显变化
Qianmei Yu1,2, Yao Liu1,2, Xiang Wang1,2
1Medical Psychological Center, The Second Xiangya Hospital, https://ror.org/053v2gh09Central South University, Changsha, Hunan, PR China.
Psychological medicine
|September 1, 2025
概括
强迫症 (OCD) 根据发病年龄表现出不同的胸膜连接模式. 早发性强迫症 (EO-OCD) 涉及更强的额头-关节连接,而晚发性强迫症 (LO-OCD) 则显示连接性降低,表明神经机制不同.
科学领域:
- 神经科学
- 精神病学
- 大脑成像
背景情况:
- 泰拉木斯在区分早期强迫症和晚期强迫症方面起着至关重要的作用.
- 虽然已知大脑的结构差异,但基于强迫症的发病年龄,其休息状态功能连接性 (rsFC) 尚未得到充分研究.
- 这项研究研究了乳头下区域的RSFC,以揭示与发病年龄相关的强迫症的独特病理生理机制.
研究的目的:
- 研究早期性强迫症 (EO-OCD),晚期性强迫症 (LO-OCD) 和健康对照群 (HCs) 之间的静止状态功能连接 (rsFC) 差异.
- 阐明强迫症病理生理学与疾病发病年龄相关的神经基础.
- 确定与EO-OCD和LO-OCD相关的特定的乳头连接模式.
主要方法:
- 对85名EO- OCD患者,94名LO- OCD患者和94名健康对照患者进行了休息状态功能连接 (rsFC) 分析.
- 在七个不同的子区域评估了胸膜连接性.
- 进行了群体比较,以确定 rsFC 模式的显著差异.
主要成果:
- 在EO- OCD和LO- OCD两组中,主要运动和后部中心之间,以及前运动和补充运动区域之间,rsFC增加.
- 与LO- OCD患者和HC患者相比,EO- OCD患者在前额 (Ptha) 和中额 (MFG) 之间表现出显著更强的rsFC.
- 与EO- OCD患者和HC患者相比,LO- OCD患者在Ptha和下叶 (IPL) 之间出现了减少的rsFC,Ptha- MFG和Ptha- IPL连接与发病年龄有负相关性.
结论:
- 共享和独特的胸膜连接模式区分EO-OCD和LO-OCD.
- 感官运动网络的超连接性涉及质, 无论发病年龄如何.
- 在EO-OCD中具有潜在的补偿性和LO-OCD中受损的前额-状网络连接差异,突出了基于发病年龄的不同神经机制.
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