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具有全场和半场刺激的多通道模式VEP:解释方法和诊断评估方法

Dorothy A Thompson^1,2, Oliver R Marmoy^3,4, Joanne Cowe^3,5

¹Great Ormond Street Hospital for Children, NHS Foundation Trust, London, UK. dorothy.thompson@ucl.ac.uk.

Documenta ophthalmologica. Advances in ophthalmology

|March 25, 2025

概括

使用全场和半场模式刺激来评估多通道视觉唤起潜力 (VEP),有助于诊断阴影和逆阴影视觉通路功能障碍. 这种方法改善了本地化,并最大限度地减少了对VEP结果的误解.

科学领域:

神经科学是一个神经科学.
眼科医生眼科眼科
视觉电生理学视觉电生理学

背景情况:

多通道视觉唤起潜能 (VEP) 对于评估视觉通路功能至关重要.
标准VEP组装可能无法完全捕捉微妙的异常.
了解视网膜区域,皮质生成器和VEP分布之间的关系是关键.

研究的目的:

描述和评估多通道全场和半场模式VEP的方法.
应用ISCEV VEP标准组装,以提高诊断能力.
要区分真正的视觉通路功能障碍和解剖学变异.

主要方法:

审查全场和半场模式VEPs对视网膜区域和皮质生成器的依赖.
将这些原则应用于多通道半场模式VEP的解释.
使用模式逆转和发病补偿VEP,采用多道方法.

主要成果:

在单眼全场,半场,模式逆转和全场发作-补偿VEP中观察到跨头VEP分布的可预测差异.
这些VEP组件有助于识别和局部化阴和逆阴功能障碍.
提出了一个决策树来指导VEP分布的解释,区分病理与解剖变异.

结论:

对于多通道VEP来说,常规添加两个侧面通道是临床上有价值的,并且易于实施.
结合全场和半场模式逆转和全场发作-抵消VEPs,可以提高喘和逆喘视觉通路功能的评估.
这种综合性方法最大限度地减少了由皮层或骨解剖学引起的不对称VEP的错误正确解释.

关键词:

奇亚斯姆是一个奇迹.半场刺激刺激的半场刺激.半导体场是一个半导体场.半球半球是地球半球.多通道 VEP 的使用.悖论性的横向化图案 VEP 的模式

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