VNS shock implant approved for depression

"Ladies and gents, this is the real deal: the U.S. Food and Drug Administration has approved an implantable VNS therapy (Vagus Nerve Stimulation Therapy System) device for patients with severe depression. The device, made by Cyberonics Inc. and used since 1997 for patients with epilepsy, is implanted in a patient’s chest with wiresthat connect it to the vagus nerve, which it zaps to reach a region of the brain associated with moods. Think of it as an emotional pacemaker...."

http://www.engadget.com/entry/1234000797051055/