EMDR Therapy

A structured approach to healing trauma. Eye Movement Desensitization and Reprocessing (EMDR) helps the brain reprocess distressing memories so they lose their grip, and it is one of the best-supported treatments for post-traumatic stress disorder.

Michael Callans, M.S. Psychology, content reviewer at Psychology.com

Medically reviewed by Michael Callans, M.S. Psychology

Published June 25, 2026 · Last updated June 25, 2026

Illustration of an EMDR (Eye Movement Desensitization and Reprocessing) therapy session for trauma

Key facts

  • EMDR is a structured, eight-phase therapy designed to help the brain reprocess traumatic memories.
  • It is endorsed by the World Health Organization and the American Psychological Association as a treatment for PTSD.
  • You do not need to describe the trauma in detail or do homework between sessions.
  • Sessions use bilateral stimulation, such as guided eye movements, while you hold a memory in mind.

What is EMDR?

EMDR is a form of psychotherapy developed by psychologist Francine Shapiro in the late 1980s to help people recover from trauma and other distressing life experiences. The name stands for Eye Movement Desensitization and Reprocessing. The central idea is that when something overwhelming happens, the brain may not fully process the memory, leaving it stored with the original images, emotions, and body sensations intact. Years later, a reminder can bring all of that flooding back as if the event were happening again.

EMDR aims to help the brain finish processing those stuck memories. During a session you briefly call a difficult memory to mind while the therapist guides you through sets of bilateral stimulation, most often side-to-side eye movements, though taps or tones may also be used. This dual attention, focusing inward on the memory while tracking an external cue, appears to lower the emotional charge of the memory so it can be filed away like an ordinary one. People often describe the event afterward as something that happened in the past rather than something that still feels present.

Importantly, EMDR is not hypnosis, and you stay fully awake and in control throughout. Unlike many talk therapies, it does not require you to describe the event in detail, analyze it, or complete tasks between sessions. The American Psychological Association recognizes it as an evidence-based option for trauma.

What it helps with

EMDR is best known and most studied as a treatment for post-traumatic stress disorder, including PTSD from a single event such as an assault, accident, or disaster, as well as more complex trauma built up over time. It is widely used with survivors of abuse, combat veterans, first responders, and people coping with grief or sudden loss.

Clinicians also apply EMDR to a broader range of concerns connected to painful experiences, including:

EMDR is not a fit for every situation, and a therapist will assess whether it is appropriate for you, sometimes recommending it alongside or instead of other approaches.

The eight phases

EMDR follows a standardized eight-phase protocol. The phases are not all separate appointments; several often happen within one session.

Infographic of EMDR therapy's eight phases and why it works as an evidence-based treatment for trauma and PTSD
The eight phases and what makes it effective

What to expect in sessions

A course of EMDR usually begins with one or more sessions focused on history and preparation, before any memory is reprocessed. This groundwork matters: your therapist will make sure you have reliable ways to calm yourself first, so the reprocessing work feels manageable.

During reprocessing, you bring a target memory to mind and then follow the therapist's hand, a light bar, or another cue with your eyes in short sets, pausing between each to notice whatever comes up. There is no right or wrong response. Thoughts, images, emotions, and body sensations may shift on their own, and the therapist follows where your mind goes rather than steering it. Many people feel tired after a session and lighter over the following days as the memory settles.

Sessions typically run 60 to 90 minutes. A single, recent trauma may resolve in roughly six to twelve sessions, while complex trauma involving many experiences can take longer. Your therapist will set realistic expectations once they understand your history.

Ready to talk to someone? A licensed EMDR therapist can help you understand what you are experiencing and build a plan that works for you. Find a Therapist

Does it work

EMDR has a strong evidence base for PTSD. Numerous randomized controlled trials have found it reduces trauma symptoms, and it is endorsed in major clinical guidelines. The World Health Organization recommends trauma-focused therapies including EMDR for PTSD, and the American Psychological Association lists it among recommended treatments. For PTSD specifically, research generally finds EMDR comparable in effectiveness to trauma-focused cognitive behavioral therapy.

Researchers still debate exactly why the eye movements help, and the evidence is strongest for trauma and PTSD rather than for every condition it is sometimes used to treat. What is clear is that, delivered by a trained clinician using the full protocol, EMDR is a legitimate, well-supported option, not a quick fix or a fringe technique.

Finding a qualified provider

EMDR should be delivered by a licensed mental health professional, such as a psychologist, counselor, or clinical social worker, who has completed formal EMDR training. Reputable training follows the standards set by bodies such as the EMDR International Association (EMDRIA). When you contact a therapist, it is reasonable to ask where they trained in EMDR, how much experience they have with your type of concern, and whether they are EMDRIA certified.

A good fit matters as much as the method. You want a clinician you feel safe with, since trauma work depends on trust. If you are not sure where to start, your primary care doctor can help, and our therapist directory lets you search for providers who offer EMDR.

Frequently asked questions

Does EMDR really work?

Yes. EMDR is recognized by the World Health Organization and the American Psychological Association as an effective treatment for post-traumatic stress disorder, supported by many controlled studies showing it reduces trauma symptoms.

Do I have to talk about the trauma in detail during EMDR?

No. Unlike some talk therapies, EMDR does not require you to describe the event in detail or explain why you feel the way you do. You hold the memory in mind while following a back-and-forth cue, and the therapist guides the process.

How many EMDR sessions will I need?

It varies. A single trauma may resolve in a handful of sessions, while complex or repeated trauma can take longer. Your therapist will set expectations after the early assessment phases.

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References

Medical disclaimer. This page is for general education and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified health provider with any questions about a medical condition.