与对照组比较，研究组脑诱发电位失匹配负波潜伏期延长，波幅降低。

Compared with control group, MMN latency was significantly prolonged and MMN amplitude was significantly reduced in study group.

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目的探讨视觉模式中是否存在与听觉失匹配负波(MMN)类似的电位成分。

ObjectiveTo investigate if there were potential components similar to auditory mismatch negativity (MMN) in the visual modality.

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