精神分裂症和暴力患者的异常大脑结构:一个元分析
Yong-Ming Wang1, Ying Wang1, Qun Cao2
1School of Biology & Basic Medical Sciences, Medical College of Soochow University, Suzhou, 215123, China.
Journal of psychiatric research
|July 11, 2023
概括
大脑成像显示,精神分裂症和暴力 (VSZ) 患者在特定区域的灰质减少,如胰岛和上旋. 这些结构变化可能表明暴力和精神症状的共同神经生物学基础.
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.
- 放射学 放射学是一门学科.
背景情况:
- 精神分裂症与暴力的增加有关,这带来了公共卫生挑战和患者的耻辱化.
- 了解精神分裂症暴力的脑结构相关性对于识别生物标志物和改善治疗至关重要.
- 以前的研究表明,精神分裂症暴力行为的潜在神经生物学基础.
研究的目的:
- 使用元分析,在精神分裂症患者中确定与暴力相关的可靠的大脑结构变化.
- 为了比较暴力精神分裂症患者,非暴力精神分裂症患者和健康对照者的大脑结构.
- 探索精神分裂症持续时间和暴力患者大脑结构变化之间的关系.
主要方法:
- 磁共振成像 (MRI) 研究的元分析和元回归.
- 精神分裂症和暴力患者 (VSZ) 与非暴力精神分裂症 (NVSZ) 患者的灰质体积的比较.
- 将VSZ患者与健康对照组和仅有暴力史的个人进行比较.
主要成果:
- 在VSZ和NVSZ患者之间没有发现显著的灰质体积差异.
- 与对照人群相比,VSZ患者在胰岛,上回形 (STG),左下额头回形,左侧海马和右侧骨中显示灰质体积减少.
- 与仅有暴力史的患者相比,VSZ患者的右侧insula和右侧STG体积减少.
- 超回归显示,在VSZ患者中,精神分裂症持续时间和右胰岛体积之间存在负相关性.
结论:
- 缺陷的前-边缘网络功能可能是精神分裂症中暴力行为的基础.
- 这些结构变化表明暴力和精神症状的潜在共同的神经生物学基础.
- 需要进一步的研究来阐明驱动暴力行为和精神分裂症之间的相互作用的神经机制.
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