If a therapist has suggested EMDR therapy, you have probably heard it described as "the eye movement thing" and been left with more questions than answers. It sounds strange. Watching a hand move back and forth does not obviously connect to a memory that still makes your chest tighten years later.
There is a real clinical model underneath it, and it is easier to follow than the name suggests. This guide explains what EMDR therapy is, how the eight phases work, what a first session actually involves, and how to tell whether it is worth asking your provider about.
This article is for educational purposes only and is not a substitute for professional diagnosis or treatment. Individual results vary.
Why EMDR Therapy Exists
Most therapy works through language. You describe what happened, you examine the beliefs that formed around it, and understanding does the work. That approach helps a great many people. It also stalls for some, particularly when the memory is stored less as a story and more as a physical alarm.
EMDR was built for that second situation. It targets how a memory is filed rather than how well you can narrate it, which is why people sometimes describe progress in EMDR that years of talking did not produce.
How Common Trauma and PTSD Are
Post-traumatic stress is not a rare diagnosis. According to the VA National Center for PTSD, about 6 of every 100 people in the United States will have PTSD at some point in their lives, and about 5 of every 100 adults have it in a given year. The lifetime figure is roughly 8 of every 100 women and 4 of every 100 men.
Those numbers cover diagnosed PTSD only. Plenty of people carrying a difficult event never meet full criteria and still find the memory shaping how they sleep, drive, or handle conflict. Redefine's trauma treatment programs work with both groups.
Who EMDR Is For
EMDR is best known for PTSD treatment, and its use extends further. Cleveland Clinic lists trauma-linked anxiety, depression, dissociative conditions, obsessive-compulsive presentations, and acute stress disorder among the conditions it is used for. It is often raised when talk therapy has stalled on one specific event.
Fit is not about how severe someone's history looks from the outside. It is about whether a memory still behaves as though it is happening now. If depression is the primary concern, our post on how EMDR is used for depression covers that application in more depth.
How EMDR Therapy Works
EMDR rests on a clinical framework called the Adaptive Information Processing model, developed by psychologist Francine Shapiro, whose first clinical trial of the method was published in 1989. The model holds that the brain normally digests difficult experiences the way the body digests a meal, and that some experiences get stuck partway through.
A memory stored that way keeps its original charge. The sounds, the images, and the body sensations stay wired together, so a small present-day trigger can fire the whole package as though the event were current. EMDR is an attempt to restart that stalled processing.
Bilateral stimulation simply means something that alternates between the left and right sides of your body. In EMDR that is usually following the therapist's fingers or a light bar with your eyes, but alternating hand taps and alternating tones through headphones are also standard options. None of them involve medication or equipment you have to operate.
Why You Do Not Have to Retell the Whole Story
This is the detail that changes most people's minds about trying it. EMDR does not require narrating the traumatic event in detail, and it does not assign homework between sessions. You identify the memory and the belief attached to it, then the processing happens largely in silence.
For someone who has avoided therapy because they cannot face saying the words out loud, that difference matters more than any mechanism explanation.
The Eight Phases of EMDR
EMDR is a protocol, not a single technique, and the reprocessing everyone pictures is only one part of it. The standard sequence runs across eight phases:
- History taking. Your therapist gathers your background and identifies which memories to target.
- Preparation. You learn grounding and stress management skills before any memory is touched.
- Assessment. You name the target memory, the negative belief tied to it, and the positive belief you want instead.
- Desensitization. Sets of bilateral stimulation while the memory is held in mind, with pauses to check in.
- Installation. Strengthening the positive belief so it holds when the memory comes up.
- Body scan. Checking for physical tension that is still linked to the memory.
- Closure. Returning to a settled state before the session ends, every time.
- Reevaluation. Reviewing progress at the next session and choosing what comes next.
Phases 1 and 2 are stabilization work. That is why a competent EMDR therapist does not process a memory on your first visit, and why anyone promising a same-day resolution is worth questioning.
What a First EMDR Session Feels Like
Your first appointment usually looks like an intake. You talk through your history, your therapist explains the model, and together you decide which memory to work toward. Nobody asks you to relive anything on day one.
When reprocessing does begin, the room is quieter than people expect. You follow a moving point with your eyes for 20 to 30 seconds, stop, and your therapist asks what came up. Then you do it again. Some sets bring a wave of feeling, some bring almost nothing, and both are normal.
Session Length and How Many Sessions
A standard EMDR session runs 60 to 90 minutes. Cleveland Clinic reports that a single-event trauma commonly takes 3 to 6 sessions, while complex or repeated trauma more often takes 8 to 12 or more, spread across several weeks to a few months.
Those are typical ranges, not a schedule anyone can promise you in advance. Individual results vary, and a good therapist will revise the plan as the work reveals what is actually there.
What Happens Between Sessions
Closure is a real phase, not a courtesy. Your therapist brings you back to a settled state before you leave, even if a memory is only partly processed. You may be asked to note anything that surfaces during the week, which is observation rather than homework.
Feeling tired or emotionally raw for a day or two after a reprocessing session is common. Tell your care team if that lands harder than expected, because the pacing can be adjusted.
How EMDR Fits Alongside Other Therapies
At Redefine Wellness & Treatment, EMDR is one of more than 20 treatment modalities, and it is usually delivered alongside others rather than as a standalone product. Someone might do EMDR in the same week as somatic work and neurofeedback, with a therapist coordinating how the pieces interact.
Common Myths About EMDR
EMDR attracts more misconceptions than most therapies, partly because the eye movements look unusual and partly because it is often described secondhand. Four come up repeatedly.
Myth: EMDR Is Hypnosis
It is not. During EMDR you stay awake, aware, and able to stop at any point. You are not put into a trance, you are not made suggestible, and you remain in control of what you engage with and when.
Myth: EMDR Erases Your Memories
EMDR reduces the emotional charge a memory carries. It does not delete the memory. People who have completed EMDR still remember what happened. What tends to change is that recalling it no longer sets off the same physical alarm.
Myth: EMDR Is Only for Combat Veterans
The Department of Veterans Affairs is one endorser among several, alongside the World Health Organization and the American Psychological Association. EMDR is used across the general adult population for PTSD and trauma-linked anxiety, depression, and other presentations.
Myth: One Session Will Fix Everything
The protocol runs across eight phases, and the first two are preparation before any memory is reprocessed. Anyone promising a single-session resolution is describing something other than standard EMDR. Individual results vary, and no ethical provider guarantees an outcome.
When to Talk to a Professional About EMDR
EMDR is worth raising with a licensed clinician when a specific memory still produces a physical stress response, when avoidance has started shaping ordinary decisions, or when months of talk therapy have circled the same event without shifting it.
It is also a reasonable question if you are already in treatment and progress has plateaued. Adding a different mechanism is a normal clinical adjustment, not an admission that anything failed.
Signs EMDR May Be Worth Asking About
None of the items below diagnose anything. They are the patterns that most often lead a therapist to suggest trauma reprocessing rather than more of the same approach.
Questions to Ask an EMDR Therapist
Ask what EMDR training the clinician has completed. Ask whether they follow the full eight-phase protocol. Ask how they handle stabilization before reprocessing begins, and what they do if a session brings up more than expected.
A clinician who answers those three questions clearly is telling you a great deal about how the work will be paced. If distinguishing your situation is the harder question, our post on the difference between PTSD and complex PTSD is a useful starting point.
How EMDR Is Delivered at Redefine
Redefine Wellness & Treatment is a Joint Commission accredited outpatient mental health center in Scottsdale, Arizona. EMDR is offered inside our programs rather than as a standalone service, including our intensive outpatient program, which meets 3 days a week for 9 to 12 hours, and our partial hospitalization program and private retreats.
Redefine is an out-of-network provider. Coverage and reimbursement vary by plan, so verify your benefits before starting. In-person programs run Monday to Friday, 9 a.m. to 5 p.m., from our single location at 8245 N 85th Way, Scottsdale, AZ 85258.
A standard EMDR session runs 60 to 90 minutes. Cleveland Clinic reports that single-event trauma commonly takes 3 to 6 sessions, while complex or repeated trauma more often takes 8 to 12 or more, spread across several weeks to a few months. Individual results vary.
EMDR is recognized for PTSD by the World Health Organization, the American Psychological Association, and the U.S. Department of Veterans Affairs. The EMDR Institute, founded by the method's developer, reports that 84 to 90 percent of single-trauma survivors no longer met PTSD criteria after three 90-minute sessions.
History taking, preparation, assessment, desensitization, installation, body scan, closure, and reevaluation. The first two phases are stabilization work, which is why a competent EMDR therapist does not reprocess a memory during your first visit.
No. During EMDR you stay awake, aware, and able to stop at any point. You are not placed in a trance and you remain in control of what you engage with and when. The eye movements are a focus task, not an induction.
EMDR does not require describing the event in detail or doing homework between sessions. Brief distress during reprocessing is normal, which is exactly why phases 1 and 2 build grounding skills first and why every session ends with closure.
Yes. Cleveland Clinic lists trauma-linked anxiety, depression, dissociative conditions, and acute stress disorder among the conditions EMDR is used for. Whether it fits your situation is a clinical judgment your provider makes with you.
Redefine Wellness & Treatment is an out-of-network provider. Coverage and reimbursement vary by plan, so verify your benefits before starting. Our team can walk you through what your specific plan looks like on a first call.