精神分裂症中个体形态变形的空间模式:未受影响的兄弟姐妹的假定皮质补偿
Pan Yunzhi1, Zhong Mingjun1, Chen Yuqing2
1Department of Psychiatry, National Clinical Research Center for Mental Disorders and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China.
Progress in neuro-psychopharmacology & biological psychiatry
|March 16, 2025
概括
一个新的个体形态变形指数 (IMDI) 在精神分裂症患者及其未受影响的兄弟姐妹中显示出明显的脑变形模式. 这种生物标志物有助于理解精神分裂症.
科学领域:
- 神经成像是一种神经成像.
- 精神病学是一个精神病学.
- 生物标志物开发 生物标志物开发
背景情况:
- 精神分裂症神经病理越来越多地通过神经成像来理解,但在整合多指标数据以进行个人级别评估方面仍然存在挑战.
- 在像皮层厚度,化和体积这样的指标上整合发现是很困难的.
研究的目的:
- 引入个人形态变形指数 (IMDI) 作为精神分裂症的新生物标志物.
- 评估区域全球变形及其与多基因风险,症状学,认知和社会功能之间的关系.
主要方法:
- 开发了IMDI,使用了结合皮质厚度,旋转和体积的距离算法.
- 将IMDI应用于199名精神分裂症患者,218名健康对照和47名不受影响的兄弟姐妹.
- 分析了IMDI,多基因分数,临床症状,认知和社会功能之间的相关性.
主要成果:
- 精神分裂症患者在特定的大脑区域的IMDI显着更高,观察到两个不同的变形模式.
- 没有受影响的兄弟姐妹显示出比对照组更高的IMDI,这与某些区域的皮质体积扩张有关.
- 较高的IMDI与患者的症状严重程度增加,认知障碍和社会功能降低相关.
- 较高的多基因分数与IMDI在左尾巴中额头区域有关.
结论:
- IMDI为量化精神分裂症中区域大脑变形提供了一个客观的衡量标准.
- 精神分裂症涉及多个网络的皮质变形,表现出各种空间模式.
- 研究结果表明,在未受影响的兄弟姐妹中,潜在的补偿性皮质体积变化,为精神分裂症的神经解剖学提供了新的见解.
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