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April 15th, 2012
11:01 AM ET

Battery Powered Brain

CNN's Dr. Sanjay Gupta tells the story of a severely depressed patient, who
underwent an experimental surgery in which doctors drilled two
holes in her skull to implant a pair of battery-powered electrodes in her

A small electrical charge then stimulates a part of the brain known
as ³Area 25,² which is a junction box for the circuits that control our
moods. The patients who undergo this procedure have not been helped by
anything else. Not psychotherapy; not meds; not even electro-convulsive
shock therapy. But about two-thirds of the experimental subjects using Deep
Brain Stimulation have improved significantly.

Battery Powered Brain is one of three in-depth stories in one riveting hour hosted
by CNN's Randi Kaye and Drew Griffin. CNN Presents premieres an all-new show tonight at 8pm ET, re-airing at 11:00 pm and 2:00 am ET.

Filed under: depression • Dr. Sanjay Gupta