Our brain continuously spins out thoughts, whether we want it to or not. When unwanted thoughts keep occurring, despite our efforts to control them, they feed a cycle of rumination that’s at the heart of depression and anxiety disorders. New research  (link is external)shows what’s going on in the brain when those unwanted thoughts occur, and why some brains are better at controlling them than others.

Source: How The Brain Deals With The Deluge Of Unwanted Thoughts | Psychology Today