Watch Hunting for Hedonia (2019) : Full Movie Online Free Hunting for Hedonia explores how the burgeoning technology of Deep Brain Stimulation (DBS) will impact human identity and our sense of self. DBS is a revolutionary tool in neuroscience and as a treatment it is crossing over from movement control in Parkinson's to alleviating mental illness. Trials are underway in depression, OCD, PTSD and eating disorders.