For many clients, trauma is an experience that continues to shape their thoughts, emotions, and bodies. Choosing the right therapy can make all the difference, and for licensed mental health professionals, two of the most trusted treatments are Prolonged Exposure (PE) and Eye Movement Desensitization and Reprocessing (EMDR).
Both have strong empirical support, are widely used in trauma care, and recommended by organizations like the APA and VA. Yet they take very different routes to healing. This article offers a clinician-focused look at how prolonged exposure therapy vs EMDR compares in practice, examining structure, process, efficiency, and outcomes.
How Prolonged Exposure Therapy Works: Imaginal and In Vivo Exposure
Prolonged Exposure Therapy, developed by Dr. Edna Foa, is a form of trauma-focused cognitive behavioral therapy (TF‑CBT). It’s built around the idea that avoidance maintains PTSD symptoms. By gradually and repeatedly facing the traumatic memory and feared situations, clients learn that these cues are not inherently dangerous.
There are two core exposure strategies:
- Imaginal exposure involves revisiting the traumatic event in detail, aloud, during sessions. The client narrates the memory while the therapist helps them stay emotionally engaged and grounded.
- In vivo exposure focuses on real-life situations that are safe but have been avoided due to trauma-related fear, like driving, visiting specific locations, or engaging socially.
Over time, this process tends to help clients feel less overwhelmed by the memory and more able to re-engage with parts of life they had been avoiding. It gently reshapes how the trauma is experienced, both emotionally and mentally.
How EMDR Therapy Works: Bilateral Stimulation Techniques
EMDR Therapy, developed by Francine Shapiro, takes a different approach. Clients are asked to recall a traumatic memory while simultaneously engaging in bilateral stimulation techniques, typically eye movements, tapping, or auditory tones.
The process is structured into eight EMDR phases, but much of the therapeutic change happens during desensitization and reprocessing. Clients hold the distressing image, belief, and body sensation in mind while tracking the stimulus. This seems to support adaptive information processing, helping the memory feel less disturbing and more fully “digested” by the nervous system.
Unlike PE, EMDR does not require clients to give detailed verbal accounts of the trauma. It’s often seen as less verbally demanding and more somatic in nature, which can be a meaningful difference depending on the client’s presentation.
EMDR vs. PE: Comparative Effectiveness and Clinical Recommendations
When looking at the research on PTSD treatment comparison, EMDR and PE are frequently studied head-to-head. The results? Both therapies are consistently shown to be effective in reducing PTSD symptoms, with no significant difference in outcomes across most populations.
For example, a randomized controlled trial published in JAMA Psychiatry (Schnurr et al., 2007) found that EMDR and PE produced equivalent improvements in PTSD severity, depression, and functioning. Both outperformed waitlist or usual care conditions.
Guidelines from the American Psychological Association (APA) and Department of Veterans Affairs (VA) list both PE and EMDR as strongly recommended treatments for PTSD. The World Health Organization (WHO) similarly endorses both, recognizing their robust evidence base.
That said, individual tolerability and client preference can affect completion rates. Some clients find repeated trauma narration in PE overwhelming. Others find EMDR’s structure confusing or emotionally taxing. Clinical judgment and flexibility remain key.
Efficiency of Treatment: Sessions, Exposure, and Homework
A major point of contrast in treatment efficiency and session count is how these therapies use time.
- Prolonged Exposure typically runs for 8-15 weekly sessions, with each session lasting 60-90 minutes. Clients are assigned homework, often including listening to their recorded imaginal exposure and completing in vivo tasks. This requires high homework compliance in exposure therapy, which can be challenging for some clients with high avoidance or logistical constraints.
- EMDR, in contrast, can produce measurable symptom relief in fewer sessions. Several studies suggest a reduction in subjective units of disturbance (SUD) within just 3-5 sessions of processing. While EMDR also requires client engagement and emotional regulation, it involves less between-session work.
For busy clinicians or clients needing briefer models, EMDR may offer greater flexibility and efficiency. However, PE’s structured and transparent exposure rationale can appeal to clients who prefer a more cognitive-behavioral framework.
Long-Term Remission and Follow-Up Outcomes for PE and EMDR
When it comes to long-term remission and follow-up outcomes, both PE and EMDR show solid durability in research literature.
In a 6-month follow-up study by Nijdam et al. (2012), clients receiving either therapy maintained significant improvements in PTSD severity, with no statistical difference in relapse rates. This pattern holds across multiple meta-analyses: initial symptom gains from both PE and EMDR tend to hold over time when treatment is completed.
However, certain populations might benefit more from one approach. For example:
- Clients with strong dissociative symptoms may need modifications within either mode, but often find EMDR’s titrated exposure more tolerable.
- Clients with a strong cognitive orientation may prefer the structured confrontation of PE.
In either case, the therapist’s ability to adapt and pace the work makes a critical difference in long-term outcomes.
Choosing Between PE and EMDR: Factors to Consider
Choosing between prolonged exposure therapy vs EMDR should be guided by a combination of clinical training, client preference, symptom profile, and treatment context.
Here are some helpful distinctions:
- PE may be a better fit for clients who prefer clear rationale, structured homework, and gradual behavioral re-engagement.
- EMDR may be preferred by clients who struggle to verbalize trauma or who respond well to somatic and sensory-based interventions.
- For clients with complex trauma or comorbidities, both approaches may need adaptation. In some cases, therapists may use sequential or hybrid approaches, beginning with EMDR for stabilization before transitioning into exposure work, or vice versa.
Ultimately, both therapies are tools. And the best outcomes emerge not from the tool itself, but from how it’s used, collaboratively, ethically, and in tune with the client’s needs.
Continuing Education in Trauma Treatment
At Online CE Credits, licensed mental health professionals can deepen their trauma treatment skills through flexible, accredited programs that meet real-world needs.
Clinicians looking to expand their understanding of EMDR can explore our Certificate in EMDR Therapy Skills or build on that foundation with the Certificate in Advanced EMDR Therapy Skills.
We also offer a growing library of EMDR courses tailored to professionals at every stage of their development.
If your clinical work also includes trauma-related ADHD presentations, consider our Certificate in ADHD Assessment & Treatment and courses like:
- ADHD: Evidence-Informed Treatment Approaches for Adults & Children
- How to Clinically Assess ADHD Using Both Objective & Subjective Data
- Treatment of ADHD in Children and Adolescents
Each course is built to help you sharpen your clinical skills, meet licensure requirements, and support your clients with confidence and clarity.
References:
[1] David van den Berg, P. G., de Bont, P. A. J. M., van der Vleugel, B. M., de Roos, C., de Jongh, A., Van Minnen, A., & van der Gaag, M. (2015). Prolonged Exposure vs Eye Movement Desensitization and Reprocessing vs Waiting List for Posttraumatic Stress Disorder in Patients With a Psychotic Disorder. JAMA Psychiatry, 72(3), 259. https://doi.org/10.1001/jamapsychiatry.2014.2637
[2] Nijdam, M. J., Gersons, B. P. R., Reitsma, J. B., de Jongh, A., & Olff, M. (2012). Brief eclectic psychotherapy v. eye movement desensitisation and reprocessing therapy for post-traumatic stress disorder: randomised controlled trial. British Journal of Psychiatry, 200(03), 224–231. https://doi.org/10.1192/bjp.bp.111.099234
[3] McGuire Stanbury, Tracy M., Drummond, Peter D., Laugharne, Jonathan, Kullack, Claire, Lee, Christopher W. (2020) Comparative Efficiency of EMDR and Prolonged Exposure in Treating Posttraumatic Stress Disorder: A Randomized Trial. Connect.springerpub.com. https://connect.springerpub.com/highwire_display/entity_view/node/120460/full
[4] Schrader, C., & Ross, A. (2021). A Review of PTSD and Current Treatment Strategies. Missouri Medicine, 118(6), 546–551. https://pmc.ncbi.nlm.nih.gov/articles/PMC8672952/
