After the electrodes are implanted and the patient provides feedback about their placement, the patient is put under general anesthesia. The electrodes are then attached to wires that are run inside the body from the head down to the chest, where a pair of battery-operated generators are implanted.
Although it is unclear exactly how the device works to reduce depression or OCD, scientists believe that the pulses help to “reset” the area of the brain that is malfunctioning so that it works normally again.
This is what I get for clicking on this site today. You could have saved the description for the actual post instead of in the title. I hope you are well today! @TheBest