Flickr user [n Bryan] has been keeping busy lately, trying his hand at developing some cranial electrotherapy stimulation instruments for home use. While visions of [Peter Venkman] electrocuting hapless college students initially came to mind, this sort of therapy is not the same thing, nor as painful as what is depicted in the film.
Cranial electrotherapy stimulation relies on small currents which are pulsed along a patient’s skull at specific bioactive frequencies. It is believed that these treatments can have positive responses on the nervous system, and in fact has been approved by the FDA for certain ailments such as insomnia and anxiety. [n Bryan’s] rig is controlled by a PIC 16F88, which generates both the carrier and pre-programmed bioactive frequencies used in electrotherapy sessions.
As with all things that involve strapping electrodes to your head, take caution if you plan on replicating his work in any way, shape or form. With that said, we’d be willing to give it a shot.