This is a quick video describing the basics of mental illness, causes, and recovery. The definition of mental illness comes from a presentation by Dr. Thomas Insel, the Director of the National Institute of Mental Health. You can find more about the description of mental illness as a disruptions in neural circuits in this blog post by Dr. Insel. http://www.nimh.nih.gov/about/director/2011/mental-illness-defined-as-disruption-in-neural-circuits.shtml