Drug-Free, FDA-Cleared PTSD Treatment
Prism for PTSD at Diamond Edge TMS
A new way to treat PTSD — without medication side effects, and without reliving your trauma. Diamond Edge TMS is the first and only clinic in Oregon and Southwest Washington offering Prism, an FDA-cleared neurofeedback therapy that trains your brain to calm its own stress response.
Appointments(360) 838-3654The Only Prism Provider in Oregon & SW Washington
What Is Prism for PTSD?
Prism is an FDA-cleared neurofeedback therapy developed by GrayMatters Health. It targets the amygdala — the brain's alarm center, which becomes overactive in PTSD — and teaches you to bring that activity down yourself.
During each session, you wear a comfortable EEG headset while interacting with a calming computer simulation. As your brain's stress signal quiets, the scene on screen responds in real time. Over a series of sessions, you build a durable, practical skill: the ability to regulate your own emotional response — in the clinic, and in daily life.
Prism is prescribed and directed by Dr. Jerald Block and used alongside your ongoing PTSD care, whether that includes psychotherapy, medication, or both.
First in the Region
Diamond Edge TMS is the first clinic in Southwest Washington and Oregon to offer Prism for PTSD — right here in Vancouver, minutes from Portland.
A Different Kind of PTSD Therapy
How Prism Works
Your Brain Activity Is Measured
You wear a non-invasive EEG headset that reads a validated, amygdala-based brain signal associated with PTSD. Nothing enters your body — no magnets, no electricity, no medication.
You Practice Calming the Signal
An interactive simulation responds to your brain activity in real time. As you find mental strategies that lower your stress signal, the scene on screen calms — instant feedback that helps your brain learn.
The Skill Becomes Yours
Over roughly eight weeks of sessions, the regulation strategies you develop become second nature — a skill you can use whenever symptoms flare, long after treatment ends.
Is Prism Right for You?
Who Prism Can Help
Prism may be a good fit if you are an adult living with PTSD and:
- You want to avoid medications, or medications alone haven't been enough
- You've put off trauma-focused therapy because you dread retelling what happened — Prism does not require you to revisit or describe your trauma
- You're a veteran or first responder looking for a practical, skills-based approach
- You want to take an active role in your own recovery
Care From Someone Who Has Served
A Veteran-Owned Practice That Understands PTSD
Dr. Jerald Block is a U.S. Army veteran and board-certified psychiatrist with more than 25 years of experience, psychoanalytic training, and a record of published research. He built Diamond Edge TMS to bring leading-edge, evidence-based treatments — TMS, and now Prism — to Vancouver and the greater Portland area, delivered in a private, single-doctor practice where you'll always see the same physician.
About Dr. BlockCommon Questions
Prism for PTSD: FAQ
Yes. Prism received FDA 510(k) clearance as an adjunctive treatment for symptoms associated with PTSD, used under the direction of a healthcare professional together with other pharmacological and/or non-pharmacological care. In clinical study, Prism therapy significantly reduced PTSD symptoms with minimal adverse effects, and improvements were maintained at three-month follow-up.
No. Prism sessions use a neutral, non-trauma-based simulation. You never have to describe, relive, or process the traumatic event during Prism training. For many people this removes the biggest barrier to starting PTSD treatment.
Prism is non-invasive and painless. You simply wear an EEG headset that reads your brain activity — nothing is delivered into your body. Clinical studies demonstrated a high safety profile with minimal adverse effects.
TMS uses magnetic pulses to stimulate specific brain regions and is FDA-cleared for depression and OCD. Prism delivers nothing to the brain — instead, it measures your brain activity and teaches you to change it. The two treatments work in completely different ways, and we offer both at Diamond Edge TMS.
A typical course runs about eight weeks, with regular sessions in our Vancouver office. Each visit is comfortable and relatively brief, and no recovery time is needed — you can drive yourself and return to your day immediately.
No. Prism is designed to work alongside your existing care. Many patients continue psychotherapy or medication during Prism treatment. Dr. Block will coordinate your overall treatment plan.
Coverage for Prism varies. Contact our office at (360) 838-3654 and we'll walk you through cost, coverage, and payment options before you commit to anything.
The First Prism Clinic in Oregon & SW Washington