This article makes use of parametric-model method to extract 40Hz ASSR, which has a higher speed than Moving Time Average (MTA) when tracing the transition process of the patient from being conscious to being unconscious.

• 本文基于参数模型化方法来提取40HzASSR,相对于常规叠加平均方法来说,反应速度较快,能够迅速地跟踪病人从清醒到无意识的转变过程。