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本文介绍了一种用于记录视觉诱发电位(VEP)、图形视网膜电图(PERG)及视觉诱发谱阵列(VESA)分析的微型计算机系统。系统采用平均技术和伪迹摒除记录VEP和PERG,采用快速傅里哀变换计算平均压缩功率谱阵列,由4秒诱发EEG功率谱导出平均压缩VESA。
This article describes a microcomputer system for recording VEP, PERG, and VESA analysis. The system uses average techniques and artifact exclusion records to record VEP and PERG. Fast Fourier transforms are used to calculate the average compressed power spectrum array, and the average compressed VESA is derived from the 4 second induced EEG power spectrum.