Very familiar with it. My wonderful therapist, who was a psychologist I saw through the Veteran's Admin, was one of the first therapists to use EMDR. He trained with Francine Shapiro. The technique is extremely successful with PTSD and traumatic memories that are "stuck" and need to be processed. My therapist used EMDR as part of my treatment back in the early '90's. I still use it to this day, on my own. I highly recommend it.