EMDR (Eye Movement Desensitization and Reprocessing) is the go-to modality for non-psychopharmacological treatment of trauma and negative thought patterns.
Introduction to EMDR Therapy
Dr. Dan Siegel's Hand Model of the Brain
EMDR for Treating Anxiety
Jamie Marich on the TEDx Stage: Trauma
How Childhood Trauma Affects Health Over A Lifetime
EMDR and PTSD