The EEG of Patient 5 before and after BZD injection (A) Periodic sharp waves with prolonged intervals of inter-sharp waves (B) Sharp waves were attenuated 100 seconds after BZD injection.
The EEG of Patient 2 showed GPDs-plus The EEG shows symmetric and synchronous periodic sharp waves at 2-3 Hz, with a preceding and a following positive phase, which exhibits triphasic morphology in a rhythmic pattern.