"Brain electrodes fix depression long term. First placebo-controlled trial of implanted electrodes is positive."

http://www.nature.com/news/brain-electrodes-fix-depression-long-term-1.9727
"NATURE | NEWS
Brain electrodes fix depression long term
First placebo-controlled trial of implanted electrodes is positive.
Alison Abbott
03 January 2012
Deep depression that fails to respond to any other form of therapy can be moderated or reversed by stimulation of areas deep inside the brain. Now the first placebo-controlled study of this procedure shows that these responses can be maintained in the long term....."