摘要
介绍了以单板机为基础的ERG(Electroretinegran)和VEP(Visual EvokedPotential)检测仪器。采用平面发光管产生弱光刺激,以皮肤电极检测电信号,并用迭加和滤波方法对信号进行处理,得到视网膜电图和视觉诱发电位。
The instrument for measuring electroretinogram (ERG) and visual evoked potential (VEP) based on single-board microcomputer was introduced in this paper. It uses LED to produce weak Light stimulus and skin electrod to measure electric signal. Meanwhile overlapping and filtering are used to process signal. The manipulation of the device is simple and easy to learn. It's guite convenient for both manipulator and subjects (including children). For its obvious characteristics, its worth popularizing.
关键词
电生理
视网膜电图
视觉诱发电位
electrophysiology
electroretinogram (ERG)
visual evoked potential(VEP)
