Researchers are testing deep brain stimulation as a treatment for people with a severe form of depression. Doctors compare it to a pacemaker for the brain. It involves implanting electrodes in the brain, which are attached to a device placed under the skin in the chest. (Feb. 21)(AP Video: Mary Conlon)

A pacemaker for the brain helped a woman with crippling depression. It may soon be widely available

Researchers are testing deep brain stimulation as a treatment for people with a severe form of depression. Doctors compare it to a pacemaker for the brain. It involves implanting electrodes in the brain, which are attached to a device placed under the skin in the chest. (Feb. 21)(AP Video: Mary Conlon)