听觉皮层厚度与精神分裂症谱系障碍中的N100幅度有关
Nora Berz Slapø1, Stener Nerland1,2, Kjetil Nordbø Jørgensen1,3
1Department of medicine, NORMENT, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
Schizophrenia bulletin open
|May 30, 2024
概括
听觉皮层 (AC) 厚度与精神分裂症患者的听觉唤起潜力 (N100幅度) 有关. 这表明精神分裂症和听觉幻觉中大脑结构和功能变化的共同神经基础.
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.
- 神经成像是一种神经成像.
背景情况:
- 听觉皮层 (AC) 与精神分裂症病理生理学和听觉幻觉 (AH) 有关.
- 以前的研究表明,在精神分裂症中,AC厚度降低和功能受损 (N100幅度降低).
- 在AC结构/功能变化和AH之间的联系需要进一步调查.
研究的目的:
- 研究精神分裂症谱系障碍 (SCZspect) 中听力皮层 (AC) 结构和功能之间的关系.
- 确定AC厚度和听觉唤起潜力 (N100振幅) 是否与精神分裂症患者的听觉幻觉 (AH) 有关.
主要方法:
- 磁共振成像 (MRI) 和电脑电图 (EEG) 用于SCZspect (包括AH+和AH-亚组) 和健康对照 (HC) 的患者.
- 在不同组之间比较了初级 (AC1) 和二级 (AC2) 听力皮层的皮层厚度.
- 使用相互作用项的回归模型检查了跨组的交流厚度和N100振幅之间的关联.
主要成果:
- 与对照组相比,SCZspect和AH-个体的N100振幅较小.
- 与对照人群相比,AH+个体的AC2较薄.
- 在SCZspect和AH-组中,AC1厚度与N100幅度正相关.
- 在SCZspect和AH+组中,AC2厚度与N100振幅正相关.
结论:
- 在SCZspect,AH-和AH+组中观察到AC厚度和N100振幅之间的积极关联.
- 这些发现表明,精神分裂症的结构和功能AC变化背后有一个共同的神经基质.
- 结果突出了听觉皮层在精神分裂症和听觉幻觉的病理生理学中的潜在作用.
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