绘制内在大脑活动和多层次机制的地图,这些机制是精神分裂症听觉语言幻觉的基础:系统性审查和元分析
Yuanjun Xie1, Tian Zhang1, Anping Ouyang1
1Department of Military Medical Psychology, Air Force Medical University, Xi'an, China.
Neuroscience and biobehavioral reviews
|January 28, 2026
概括
精神分裂症的听觉语言幻觉 (AVH) 与听觉,语言和执行网络中的大脑活动变化有关. 神经化学和遗传因素与网络功能障碍相互作用,导致AVH症状.
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.
- 神经成像是一种神经成像.
背景情况:
- 听觉语言幻觉 (AVH) 是精神分裂症的一个核心症状.
- 静止状态fMRI指标,如低频波动幅度 (ALFF) 和分数ALFF (fALFF) 测量内在的大脑活动.
- 在网络层面和AVH的生物学基础仍然不完全理解.
研究的目的:
- 系统地审查和分析ALFF/fALFF在精神分裂症患者中进行的ALFF/fALFF研究.
- 整合神经化学和遗传数据,以实现对AVH的多层次理解.
- 为AVH的出现和持续提出一个系统层面的模型.
主要方法:
- 休息状态fMRI研究的系统审查和元分析,重点关注ALFF/fALFF在精神分裂症与AVH.
- 神经化学 (大麻素,多巴胺,诺亚腺,谷氨酸系统) 和遗传数据的整合.
- 空间相关性和基因丰富分析.
主要成果:
- AVH与听觉,语言,奖励和执行控制网络的内在活动增加有关.
- 在传感运动网络中观察到活动减少;默认模式网络变化异质.
- 在区分AVH患者中突出显示的thalamic-frontal网络参与.
- 发现了与AVH相关的活动和大麻素 (CB1),多巴胺基 (D2),诺亚胺基 (NAT) 和甲基胺基 (mGluR5) 系统之间的强烈相关性.
- 基因丰富分析涉及神经发育和神经电路形成途径.
结论:
- 精神分裂症中的AVH涉及广泛的大规模网络功能障碍.
- 神经递质系统和遗传倾向与网络变化相互作用.
- 提出了一个整合神经发育,遗传和神经递质因素的系统级模型.
- 这些发现支持开发用于针对AVH的精确干预的多维生物标志物.
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