First step in the treatment of depression according to brain activity

http://archpsyc.jamanetwork.com/article.aspx?articleid=1696349

"Such studies are critical next steps toward the development of biology based algorithms to guide treatment selection for MDD at all stages of illness. Still, if replicated, the insula TSB defined in this study would provide the first objective marker to guide initial treatment selection for major depression, an important advance in potentially reducing the costs and disability associated with this highly prevalent disorder."