事件关联电位(event-related potentials,ERP)的晚成份与人的认知活动关系密切。但如何提取,国内文献未见报道,现介绍我们建立的ERP采集处理系统。1 系统的设计思想 我们采用信号检测论的基本原理,将诱发脑电活动看成是信号(signals),而把连续的大脑自发活动看成是妨碍信号识别的噪声(noise),采用现代叠加平均技术,对其进行处理分 The late ingredients of event-related potentials (ERP) are closely related to human cognitive activity. However, how to extract the domestic literature has not been reported, now we introduce the establishment of ERP acquisition and processing system. 1 system design ideas We use the basic principles of signal detection theory will be induced EEG activity as signals (signals), and the continuous spontaneous activity of the brain as a noise signal recognition noise, the use of modern additive averaging Technology, its processing points