EMDR
Core Mechanism
Bilateral stimulation during trauma memory processing facilitates adaptive information processing and memory reconsolidation (proposed)
Ontology
Unprocessed trauma memories stored dysfunctionally with original affect, sensation, and cognition
Therapeutic Voice
"Bring up the image and the negative belief. Notice what you feel in your body. Now follow my fingers."
View of the Person
An information-processing system in which trauma is stored dysfunctionally and can be reprocessed into adaptive resolution
Evidence
VA/DoD 2023: Recommended (strong). WHO: recommended. NICE: recommended. APA: Conditionally recommended
40+ RCTs
Multiple Cochrane reviews; Chen et al. (2014)
Very strong evidence for PTSD. One of three recommended treatments across all major guidelines. Mechanism debate ongoing.
Conditions
Epistemology
Blind Spots
Mechanism debate unresolved; protocol fidelity varies; may be applied to conditions beyond its evidence base
Contraindications
Active psychosis, unstable dissociative disorders without prior stabilization, active suicidality, ongoing domestic violence without safety, seizure disorders (relative — requires medical clearance), early pregnancy (relative)
Training
EMDR Basic Training (50+ hrs over two parts with practicum). Can practice after Basic Training. EMDRIA certification is optional credentialing
EMDRIA certification optional
Basic Training: 50+ hrs
$2K-4K for Basic Training
Equity & Cultural Adaptations
Philosophical Roots
Merleau-Ponty (body holds memory); Bion (processing/containment); Pavlov (orienting response); Shapiro (adaptive information processing — pragmatic, not philosophically derived)
Related Modalities
Controversies & Ethical Concerns
Mechanism debate: role of bilateral stimulation vs. exposure component
Shapiro’s account of EMDR’s origin — that she noticed eye movements reduced distress during a walk — has been questioned by researchers who noted that saccadic eye movements are physiologically imperceptible. Others have suggested EMDR’s actual origins may lie in NLP training. The 2008 IOM report found insufficient evidence and criticized studies for methodological flaws including allegiance bias.
Shapiro maintained her account. EMDR has since accumulated substantial evidence and is recommended by WHO, NICE, and VA/DoD for PTSD, though debate continues about whether eye movements specifically contribute beyond standard exposure.
Critics noted Shapiro repeatedly increased EMDR training length and expense, allegedly in response to trials casting doubt on eye movement efficacy. EMDRIA requirements have been characterized by some academics as restricting scientific exploration.
EMDRIA maintains training standards ensure quality and safety. Over 100,000 therapists trained worldwide; 300+ studies and multiple positive meta-analyses.
Clinical Vignettes
See how EMDR formulates these cases:
Test Yourself
What is the AIP model?
Show answer
Brain naturally processes toward resolution; trauma overwhelms this. EMDR reactivates and completes processing.