Educational Disclaimer: This article is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified mental health professional with any questions you may have regarding a medical condition.
Table of Contents
- What Is EMDR Therapy?
- How Does EMDR Therapy Work?
- What Does EMDR Treat?
- What to Expect in EMDR Sessions
- Who Is EMDR For?
- EMDR vs. Other Trauma Therapies
- Frequently Asked Questions
Eye Movement Desensitization and Reprocessing – commonly known as EMDR therapy – is one of the most extensively researched and widely recommended treatments for trauma and post-traumatic stress disorder (PTSD). Originally developed by Dr. Francine Shapiro in the late 1980s, EMDR has since been validated through decades of clinical research and is now endorsed by leading mental health organizations worldwide, including the World Health Organization (WHO), the American Psychological Association (APA), and the U.S. Department of Veterans Affairs.
What distinguishes EMDR therapy from many other trauma treatments is that it does not require individuals to speak in detail about traumatic events. Instead, it works directly with how the brain stores and processes traumatic memory – making it accessible to people for whom verbal accounts of trauma are particularly difficult.
What Is EMDR Therapy?
EMDR therapy is a phased, structured psychotherapy that targets traumatic and distressing memories using a technique called bilateral stimulation – alternating sensory input to left and right sides of the body. Its theoretical foundation is the Adaptive Information Processing (AIP) model, which proposes that the brain has a natural capacity to process and integrate experiences, but that this capacity can be disrupted by overwhelming traumatic events.
When a traumatic experience overwhelms the brain’s normal processing capacity, the memory may be stored in its original, unprocessed form – retaining the emotions, physical sensations, and cognitive distortions (such as “I am in danger” or “I am at fault”) that were present at the time of the event. These unprocessed memories can be triggered by sensory cues in everyday life, producing symptoms of PTSD and related conditions.
EMDR therapy facilitates the reprocessing of these “frozen” memories, allowing them to be integrated into ordinary autobiographical memory – with appropriate emotional distance, more accurate self-beliefs, and without the intrusive, reactive quality that characterizes unprocessed traumatic memory.
The evidence base for EMDR therapy is substantial. More than 30 randomized controlled trials support its efficacy for PTSD, and it has been formally endorsed by over 25 international psychological and psychiatric organizations.
How Does EMDR Therapy Work?
The Role of Bilateral Stimulation
The defining feature of EMDR therapy is bilateral stimulation (BLS) – typically in the form of guided eye movements (following a therapist’s moving finger or a light bar), alternating taps on the knees or shoulders, or alternating auditory tones delivered through headphones.
The precise mechanism by which bilateral stimulation facilitates memory reprocessing is not yet fully understood, but leading hypotheses draw on the neuroscience of memory consolidation. One influential model – the Working Memory Hypothesis – proposes that bilateral stimulation taxes working memory while the traumatic memory is held in awareness, reducing its vividness and emotional intensity and allowing it to be reconsolidated in a less distressing form. A second influential hypothesis – the Orienting Response model – suggests that bilateral stimulation activates an investigatory, orienting response in the nervous system that is incompatible with the threat-based arousal associated with traumatic memory, facilitating a shift from a defensive to an exploratory processing mode.
The Brain Science
Trauma researchers have proposed that traumatic memories are encoded differently from ordinary memories due to the overwhelming stress response that accompanies traumatic events. Under extreme stress, the hippocampus – which normally contextualizes memories and marks them as past events – may fail to fully encode the temporal and contextual details of the experience. Meanwhile, the amygdala – which encodes emotional and threat-related information – remains highly activated.
The result is a traumatic memory that lacks the “past tense” marker that ordinary memories carry – a memory that can be triggered and felt as present and immediate rather than historical. This is the neurological basis of flashbacks and intrusive symptoms. EMDR therapy facilitates the hippocampal integration that was disrupted at the time of the event, allowing the traumatic memory to be reconsolidated with appropriate temporal context and reduced emotional intensity.
The 8 Phases of EMDR
EMDR therapy follows a structured eight-phase protocol developed by Dr. Francine Shapiro and refined through decades of clinical research:
- History Taking and Treatment Planning – The clinician gathers a comprehensive history and identifies target memories for processing
- Preparation – The client learns grounding, stabilization, and self-regulation skills; the therapist explains the process and builds a safe therapeutic relationship
- Assessment – The specific target memory is identified, along with associated negative beliefs, emotions, and body sensations
- Desensitization – Bilateral stimulation is applied while the client holds the target memory in awareness; the memory is processed in sets until distress levels reduce significantly
- Installation – A positive, adaptive belief is strengthened and associated with the processed memory
- Body Scan – The client scans the body for any residual physical tension or discomfort related to the memory
- Closure – Each session ends with stabilization; the therapist ensures the client is grounded before leaving
- Re-evaluation – At subsequent sessions, the therapist assesses whether processing has been maintained and what targets remain to be addressed
What Does EMDR Treat?
EMDR therapy’s evidence base is strongest for post-traumatic stress disorder (PTSD) – both single-incident and complex, chronic trauma presentations. The WHO and APA recommend EMDR as a first-line treatment for PTSD alongside trauma-focused cognitive behavioral therapy.
Research also supports EMDR therapy’s application in:
- Complex PTSD – adapted protocols for chronic, relational, and developmental trauma
- Anxiety disorders – including generalized anxiety disorder, panic disorder, and specific phobias
- Depression – particularly when depression has traumatic antecedents
- OCD – emerging evidence for EMDR as an adjunctive treatment
- Substance use disorders – addressing underlying trauma that drives substance use
- Eating disorders – addressing body image trauma and relational/developmental trauma that often underlies disordered eating
- Grief and loss – processing traumatic or complicated bereavement
For those interested in trauma-informed care, Synchrony Brain Health’s trauma recovery program integrates EMDR within a comprehensive, phase-based trauma treatment model.
What to Expect in EMDR Sessions
EMDR therapy sessions are typically 60 to 90 minutes in length. The extended session duration allows adequate time for processing to begin and for appropriate closure before the end of the session.
In early sessions, the focus is primarily on history gathering and preparation – building the stabilization skills and therapeutic relationship that make trauma processing safe. The preparation phase may last several sessions for individuals with significant trauma histories or dissociative symptoms.
Active trauma processing sessions involve the client briefly focusing on a target memory while engaging in bilateral stimulation. This may feel intense – some clients describe strong emotional responses, physical sensations, or vivid imagery during processing. It may also feel surprisingly calm or detached for others. Both experiences are normal and both can reflect effective processing.
After each set of bilateral stimulation, the therapist checks in about what the client noticed – images, thoughts, emotions, or body sensations. The client is not asked to narrate the full memory. Processing typically proceeds in associative chains, moving through connected memories, emotions, and beliefs until the distress associated with the target memory reduces significantly.
Most clients with single-incident PTSD can experience meaningful relief within 6 to 12 sessions of active processing. Complex PTSD presentations typically require longer treatment, with emphasis on stabilization work before and during trauma processing. The number of sessions depends on individual history, the extent of traumatic material, and the client’s capacity for the work.
Who Is EMDR For?
EMDR therapy has been validated for use with:
- Adults – the most studied population; evidence is robust
- Adolescents – adapted protocols are effective with teens
- Children – specialized child-adapted EMDR protocols are used with younger populations, often with involvement of caregivers
EMDR is contraindicated or requires significant modification in some cases – particularly for individuals with significant dissociative disorders, active psychosis, or severe current life instability. A thorough clinical assessment – including screening for dissociative symptoms – is an essential part of EMDR treatment planning. For some individuals, extended preparation work focused on stabilization and resource development precedes active trauma processing, sometimes for many months.
EMDR is also used effectively for individuals who experienced trauma many years or even decades ago. The passage of time does not eliminate the accessibility of traumatic memories to processing.
EMDR vs. Other Trauma Therapies
EMDR vs. Cognitive Processing Therapy (CPT): Both are first-line treatments for PTSD. CPT focuses extensively on identifying and challenging “stuck points” – unhelpful beliefs that formed as a result of trauma – through written accounts and structured cognitive exercises. EMDR is less reliant on verbal narration and may be preferable for individuals who find detailed verbal processing of trauma difficult.
EMDR vs. Somatic therapies: Somatic approaches (such as Somatic Experiencing and Sensorimotor Psychotherapy) work primarily with the body’s nervous system response to trauma. EMDR works with memory and meaning, though it also attends to body sensations during processing. The two approaches are often complementary and may be integrated within a comprehensive treatment plan.
EMDR vs. Medication: Medication may help manage symptoms of PTSD (particularly sleep, anxiety, and depression), but it does not address the underlying unprocessed traumatic memories that drive symptoms. EMDR targets the root of the symptom. Many individuals benefit from both medication and EMDR as complementary components of a comprehensive treatment plan.
Frequently Asked Questions
Is EMDR only for PTSD?
No. While EMDR therapy was originally developed for PTSD and has its strongest evidence base there, it is now used – and has research support – for a range of conditions including anxiety disorders, depression, phobias, OCD, substance use disorders, and grief. Any condition that has significant roots in distressing memories or life experiences may be addressable through EMDR.
Does EMDR really work? What does the research say?
The research base for EMDR therapy is extensive and robust. More than 30 randomized controlled trials support its efficacy for PTSD, and meta-analyses consistently show that EMDR produces significant reductions in PTSD symptoms. Organizations including the WHO, APA, Department of Defense, and VA recommend it as a first-line treatment. That said, as with any therapy, individual responses vary, and EMDR works best within an appropriate clinical relationship.
Is EMDR covered by insurance?
Coverage varies by plan. Many major insurers cover EMDR for PTSD and trauma-related conditions when provided by a licensed clinician. It is worth contacting your insurance provider directly to ask about coverage for trauma-focused psychotherapy and EMDR specifically. Synchrony Brain Health can provide guidance on navigating coverage questions.
How do I know if EMDR is right for me?
The best way to assess whether EMDR is appropriate for your situation is through a clinical consultation with a trained trauma therapist. Factors that clinicians consider include your trauma history, your current stabilization and functioning, any dissociative symptoms, and your goals for treatment. EMDR is not appropriate for everyone at every point in their treatment – a skilled clinician can help determine the right timing and approach.
Learn More About EMDR at Synchrony Brain Health
Synchrony Brain Health offers EMDR therapy provided by clinicians trained in trauma-focused care. EMDR is integrated within our trauma recovery program, which provides comprehensive, phase-based care for complex and chronic trauma. If you are considering EMDR or want to understand whether it may be appropriate for your situation, reaching out for a consultation is a good first step.
EMDR therapy represents one of the most significant advances in trauma treatment in the last four decades. If you are living with the effects of trauma, evidence suggests that EMDR therapy can help the brain do what it is naturally designed to do – process, integrate, and heal.
Find Synchrony Brain Health on Google Maps to get directions to our office and schedule a consultation.
This article is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment.
Citations: Shapiro, F. (2018). Eye Movement Desensitization and Reprocessing (EMDR) Therapy: Basic Principles, Protocols, and Procedures (3rd ed.); WHO Guidelines (2013) – Management of Conditions Specifically Related to Stress; APA Clinical Practice Guideline for PTSD (2017); EMDR International Association (EMDRIA) clinical standards.
