Demons can smell like sulfur, roses, cologne...anything! They can also appear as: an angel of light, a dead person or child, a spirit guide, a healing spirit (reiki), an alien, a fairy, a dwarf, a spirit animal etc! We can't safely discern them! The safest thing to do, is let Jesus and his angels protect us.
The recommendation is therefore that the stimulation should be applied with a 2500Hz carrier medium frequency sinusoidal alternating current, burst at 50 Hz (10ms ON: 10ms OFF) at a maximum tolerable level.
Using the binary time-series, burst suppression is commonly characterized by computing the burst suppression ratio. (BSR); the fraction of a given time interval that the EEG is suppressed [24]. The BSR is a. number ranging from 0, meaning no suppression to 1, meaning an isoelectric EEG.