A news report on Canada.com says "a man with severe brain injuries who spent six years in a near-vegetative state can now chew his food, watch a movie and talk with family thanks to a brain pacemaker that may change the way such patients are treated, U.S. researchers said on Wednesday."
"The 38-year-old man is the first person in a minimally conscious state to be treated with deep-brain stimulation, a treatment that uses a pacemaker and two electrodes to send impulses into a part of the brain regulating consciousness."
Read the Canada.com article here and watch a video of the electrodes being inserted into the brain here