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视觉诱发电位及其地形图 (Visual Evoked PotentialMapping,VEP- M)是通过分析感觉传导径路及神经元的电生理活动 ,来反应病理状态下的功能变化。它是将视觉刺激引起的大脑皮层各区的电位变化通过地形图仪用图像的形式反映视觉诱发电位不同时相的空间电位分布图。根据 VEP- M以
Visual evoked potential and its topographic map (Visual Evoked PotentialMapping, VEP-M) is through the analysis of sensory conduction pathways and neurons electrophysiological activity, to reflect the functional changes under pathological conditions. It is the visual stimulation of the cerebral cortical areas of potential changes through the topograph with the form of images to reflect the visual evoked potential at different phases of the spatial potential distribution. According to VEP-M