链接大脑连接模式与精神病理和认知表型在药物素朴的第一发精神分裂症
Hui Sun1, Wenjing Zhang1, Hengyi Cao1,2,3
1Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, 610041 Chengdu, China.
这项研究揭示了第一期精神分裂症患者的核心大脑连接缺陷,将前额叶和视觉皮层的失联与尚未服用药物的人的临床症状和认知障碍联系起来.
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.
- 脑部成像 脑部成像
背景情况:
- 精神分裂症的特征是大脑区域之间的功能整合受到干扰.
- 以前的研究表明,与临床症状相关的多种脑连接异常.
- 一个常见的功能连接 (FC) 缺陷,与临床和认知障碍在药物先验,第一发精神分裂症仍然不清楚.
研究的目的:
- 识别与精神分裂症中精神病学和认知表现相关的大脑连接体的核心缺陷.
主要方法:
- 75名第一发精神分裂症患者和51名健康对照人接受了休息状态的fMRI.
- 主要成分分析 (PCA) 用于临床评级 (症状和认知).
- 部分相关性分析检查了临床组件和静止状态FC之间的关系.
主要成果:
- PCA确定了一个主要成分 (PC1),解释了37%的临床变异,受症状严重程度和认知功能的影响.
- PC1和FC之间的正相关性涉及前额和视觉皮层区域 (岛屿,前).
- 负相关性将PC1与带带皮层和尾区域之间的连接联系起来.
结论:
- 一种独特的功能连接 (FC) 异常模式与药物先验精神分裂症的精神病理和认知缺陷有关.
- 涉及额叶和视觉皮层的断裂可能代表精神分裂症中核心大脑FC缺陷.
- 这一发现为精神分裂症的神经生物学基础提供了洞察力.
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