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What Is EMDR Therapy And How Does It Work?

  • Writer: Joshua Gray
    Joshua Gray
  • Aug 17
  • 4 min read

Eye Movement Desensitization and Reprocessing (EMDR) therapy has gained recognition as an effective treatment for trauma and other psychological challenges. But what exactly is EMDR therapy, and how does it work? This post explores the core principles behind EMDR, its therapeutic process, and the science that supports its use.


Eye-level view of a calm therapy room with a comfortable chair and soft lighting
Therapy room set up for EMDR sessions

What Is EMDR Therapy?


EMDR therapy is a form of psychotherapy developed in the late 1980s by psychologist Francine Shapiro. It was initially designed to help people process traumatic memories that cause distress and interfere with daily life. Unlike traditional talk therapy, EMDR uses a structured approach that involves recalling distressing events while simultaneously engaging in bilateral stimulation, such as guided eye movements.


The goal of EMDR is to reduce the emotional charge of traumatic memories and help the brain reprocess them in a way that promotes healing. This therapy is widely used for post-traumatic stress disorder (PTSD), but it also shows promise for anxiety, depression, phobias, and other mental health conditions.


How EMDR Therapy Works


EMDR therapy follows an eight-phase protocol that guides clients through the healing process. Here’s a breakdown of the key phases and how they contribute to recovery:


1. History Taking and Treatment Planning


The therapist gathers information about the client’s history, current symptoms, and specific traumatic memories to target. This phase helps identify the focus areas for therapy and ensures the client is ready for EMDR.


2. Preparation


The therapist explains the EMDR process and teaches coping skills to manage emotional distress during sessions. This preparation builds trust and equips the client with tools to stay grounded.


3. Assessment


The client identifies a specific traumatic memory to work on. They focus on the image, negative beliefs about themselves related to the memory, and associated emotions and physical sensations.


4. Desensitization


During this phase, the client recalls the traumatic memory while following the therapist’s finger or another form of bilateral stimulation, such as tapping or auditory tones. This dual attention helps the brain process the memory differently, reducing its emotional intensity.


5. Installation


The therapist helps the client replace negative beliefs with positive ones. For example, changing “I am powerless” to “I am in control now.” This strengthens healthier thought patterns.


6. Body Scan


The client notices any lingering physical tension related to the memory. The therapist uses bilateral stimulation to address these sensations, promoting full resolution.


7. Closure


Each session ends with techniques to ensure the client feels safe and stable. If the memory is not fully processed, the therapist provides strategies to manage distress between sessions.


8. Reevaluation


At the start of the next session, the therapist checks progress and decides whether to continue working on the same memory or move to another target.


The Science Behind EMDR


EMDR’s effectiveness is supported by research, though its exact mechanism is still being studied. Several theories explain how EMDR may work:


  • Bilateral Stimulation and Brain Processing: The eye movements or other bilateral stimuli may mimic the brain’s natural processing during REM sleep, helping integrate traumatic memories into normal memory networks. Here is the main EMDR playlist on Spotify.


  • Working Memory Taxation: Holding a traumatic memory in mind while performing eye movements taxes the working memory, making the memory less vivid and emotional.


  • Neurobiological Changes: EMDR may influence brain areas involved in emotion regulation, such as the amygdala and prefrontal cortex, reducing hyperarousal and fear responses.


Studies show EMDR can produce rapid symptom relief, sometimes in fewer sessions than traditional therapies. For example, a 2013 meta-analysis published in the Journal of Anxiety Disorders found EMDR to be as effective as cognitive-behavioral therapy (CBT) for PTSD, with faster results in some cases.


Who Can Benefit from EMDR Therapy?


EMDR therapy is most commonly used for people experiencing:


  • Post-traumatic stress disorder (PTSD)

  • Anxiety disorders

  • Depression linked to traumatic events

  • Phobias and fears

  • Grief and loss

  • Performance anxiety or stress


Because EMDR targets the way the brain processes distressing memories, it can help individuals who have struggled with traditional talk therapy or who want a more focused approach to trauma healing.


What Happens During an EMDR Session?


A typical EMDR session lasts about 60 to 90 minutes. After preparation and assessment, the client focuses on a traumatic memory while following the therapist’s hand movements or other bilateral stimuli. The therapist periodically checks in to monitor emotional responses and guides the client through the phases.


Clients often notice a decrease in the intensity of negative emotions and a shift in how they view the traumatic event. Over multiple sessions, these changes can lead to lasting relief and improved mental health.


Practical Examples of EMDR in Action


Consider a person who survived a car accident and experiences flashbacks and anxiety when driving. In EMDR therapy, they would:


  • Identify the most distressing memory related to the accident

  • Recall the memory while following bilateral eye movements

  • Replace negative beliefs like “I am unsafe” with “I am safe now”

  • Notice and release physical tension linked to the trauma


After several sessions, the person may find that driving no longer triggers intense fear, allowing them to regain confidence and independence.


Another example is someone with social anxiety rooted in past bullying. EMDR can help process those painful memories, reduce the emotional charge, and build positive self-beliefs, improving social interactions.


What to Expect After EMDR Therapy


Many clients report feeling lighter and more in control after EMDR sessions. Some experience immediate relief, while others notice gradual improvement over time. It is common to feel tired or emotional after sessions, which is why therapists emphasize self-care and support.


EMDR is not a quick fix but a powerful tool that works best when clients commit to the process and work closely with a trained therapist.


Finding a Qualified EMDR Therapist


Because EMDR involves working with sensitive memories, it is essential to seek a therapist trained and certified in EMDR therapy. Look for professionals who:


  • Have completed EMDR training through recognized organizations

  • Are licensed mental health providers

  • Offer a safe and supportive environment

  • Tailor treatment to individual needs


Many therapists provide initial consultations to discuss whether EMDR is appropriate for your situation.



EMDR therapy offers a unique and effective approach to healing trauma by helping the brain reprocess distressing memories. Its structured phases, combined with bilateral stimulation, create conditions for emotional relief and new perspectives. If you or someone you know struggles with trauma or related issues, exploring EMDR therapy with a qualified professional could be a meaningful step toward recovery.


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