checkbox 확인 : 1) Background rhythms - Background show 9-10 Hz with 30-100 microvolts in left occipital leads. - There are diffuse continuous theta to delta range slow waves on both hemisphere without significant asymmetry 2) Alpha attenuations are good/ not good/ poor. 3) Activation - There are no build up phenomena during HV & PS. - There are mild build up phenomena during HV & PS (predominantl..