与自闭症和对照成年人相比,精神分裂症中要求高要求的执行功能的核心枢纽之间的差异连接
Sofia Morais1,2, Otília C d'Almeida2,3,4, Daniela Jardim Pereira2,3,5
1Psychiatry Department, Coimbra Local Health Unit, Coimbra, Portugal.
与自闭症谱系障碍 (ASD) 相比,精神分裂症 (SCZ) 在执行任务期间显示出明显的脑连接差异. 这些发现突出显示了精神病中前端双关节网络功能的改变.
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.
- 认知科学 认知科学
背景情况:
- 精神分裂症 (SCZ) 和自闭症谱系障碍 (ASD) 是神经发育障碍,具有重叠的执行功能缺陷,使差异诊断复杂化.
- 面对面的网络 (FPN) 对执行控制至关重要,使其功能成为区分这些条件的关键领域.
研究的目的:
- 在SCZ和ASD个体的工作记忆任务期间,调查FPN内的不同大脑激活和连接模式.
- 将这些模式与对照组进行比较,以识别独特的神经特征.
主要方法:
- 功能磁共振成像 (fMRI) 用于扫描45名成年男性 (15SCZ,15ASD,15对照) 在一个n-背任务.
- 分析了关键的FPN枢纽,包括背侧前额叶皮层 (DLPFC) 和腹内 (IPS),以及胰岛,以检测激活和连接.
主要成果:
- 在SCZ和ASD组之间没有发现皮质激活的显著差异.
- 观察到大脑连接的显著差异,SCZ组的连接性更高,特别是在DLPFC-IPS和insula-IPS之间,主要在左半球.
结论:
- 在SCZ中,FPN内部以及FPN与突出网络 (SN) 之间的连接性增加表明,精神病的特征是执行功能的根本性改变.
- 这些独特的连接模式可能有助于将SCZ与ASD区分开来,并提供对精神病神经生物学的见解.
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