One depression patient's experimental treatment

Teresa Sanchez, whose bi-polar disorder has stalked her for years, tried numerous treatments, before undergoing an experimental procedure, called SAINT (Stanford Accelerated Intelligent Neuromodulation Therapy), at Stanford University’s Brain Stimulation Lab headed by Dr. Nolan Williams. In this web exclusive, Williams and Sanchez talked with correspondent Lee Cowan about how it changed her life.

Watch Lee Cowan's report on SAINT on "CBS Sunday Morning" November 7.