Abstract
There are many experimental studies to investigate sleep-wakefullness in man and othermammals.In the animal experiment cat, as well as rat, is a good experimental subject widlyused in this field of study, because there are little inter-individual neuroanatomical differences.In this report there presented a conventional technigue for successive polygraphical recordingof sleep-wakefunness in chronic cat, which is one of the most basic method to investigate thephenomenon of sleep-wakefullness and its mechanism.The general method is consisted of (a)preperation or thesurgical operation for implantation of pamanent electrodes and (b)recording and data analyzing system.
