ART vs. EMDR: What's the Difference?
I’m trained in both. Here’s how they actually differ — including when I think EMDR is the better choice.
The direct answer
Both use eye movements to help the brain process difficult memories, and both reduce how much you need to say out loud.
The main difference is what happens after processing. EMDR follows a structured eight-phase protocol focused on desensitizing the memory and installing a more adaptive belief. ART adds a step where you deliberately replace the distressing image with one you choose.
EMDR has substantially more research behind it. ART is often more structured session to session and works more directly with visual memory.
Which is better depends on you, not on which one a therapist happens to be trained in.
Evidence
EMDR has been studied for over three decades and appears in major treatment guidelines. ART’s literature is younger but independent — randomized controlled trials in Military Medicine (2013) and the Journal of Aging & Health (2020), a systematic review in PLOS Mental Health (2024), and an entry with the American Psychological Association’s Society of Clinical Psychology. More of it comes from a single research group than is ideal, and trials at Mayo Clinic and Yale are still in progress.
Side by side
| EMDR | ART | |
|---|---|---|
| Developed | Late 1980s, Francine Shapiro | 2008, Laney Rosenzweig, LMFT |
| Mechanism | Bilateral stimulation, eight-phase protocol | Bilateral stimulation plus Voluntary Image Replacement |
| Bilateral input | Eye movements most common; taps or tones also used | Eye movements most common; taps or tones also used |
| Verbal disclosure | Minimal | Minimal |
| Works with imagery | Indirectly | Directly and deliberately |
| Session structure | Flexible within the protocol | More defined |
| Sessions in research protocols | Typically longer courses | Mean of 3.7 in one trial; one to five in another |
| Research base | Three decades; included in major treatment guidelines | Younger and smaller; RCTs in Military Medicine (2013) and Journal of Aging & Health (2020), systematic review in PLOS Mental Health (2024) |
| Clinician availability | Widely trained | Far fewer trained |
| Sessions in research protocols | Varies by trauma type — six in one single-incident study, twelve in combat-veteran research | Mean of 3.7 in one trial; one to five in another |
| Research base | Three decades; meta-analysis of 26 RCTs (PLoS One, 2014); recommended in WHO, VA/DoD and ISTSS guidelines | Younger and smaller; RCTs in Military Medicine (2013) and Journal of Aging & Health (2020), systematic review in PLOS Mental Health (2024) |
Where they overlap
More than the marketing on either side suggests.
Both are eye-movement based. Both assume difficult memories are stored differently from ordinary ones. Both spare you a detailed verbal account. Both are structured rather than open-ended.
If you’ve been told these are fundamentally different therapies, that’s overstated.
Session count in the research.
ART trials have generally used short protocols — one reported a mean of 3.7 sessions, another one to five. EMDR research varies more by what’s being treated: six sessions in one single-incident study, twelve in research with combat veterans. Those numbers describe how the studies were designed, not how long your work will take. I won’t give you a number before we’ve started.
Where they differ
The image. EMDR reduces a memory’s charge. ART reduces the charge and then changes what you see. For someone whose distress is primarily visual — intrusive images, flashbacks with a picture attached — that step is the point.
Session count in the research. ART trials have generally used short protocols — one study reported a mean of 3.7 sessions, another one to five. EMDR research more commonly involves longer courses. That difference reflects how each was designed and studied. It is not a prediction about how long your work will take, and I won’t tell you a number before we’ve started.
Structure. ART tends to follow a tighter protocol. Some people find that containing. Others find it constraining.
Evidence. EMDR has thirty years of research behind it, including a meta-analysis of 26 randomized controlled trials, and it appears in WHO, VA/DoD and ISTSS treatment guidelines. ART’s literature is younger but independent — randomized controlled trials in Military Medicine (2013) and the Journal of Aging & Health (2020), and a systematic review in PLOS Mental Health (2024). More of it comes from a single research group than is ideal, and trials at Mayo Clinic and Yale are still in progress.
When EMDR is the better choice
I’m trained in both, so I have no stake in steering you.
Choose EMDR if the weight of evidence matters to you — that’s a legitimate basis for a decision, not a technicality. Also if your history is complex and layered rather than a single event; EMDR’s flexibility suits longer arcs. And if continuity matters: if you move or change therapists, finding another EMDR clinician is far easier.
ART may suit you better if the intrusive part is visual, if you want a defined structure, or if you’ve done EMDR and it didn’t land.
How I decide
We talk about it. I’ll tell you what I think and why, and if I think you’d be better served by something I don’t offer, I’ll say that too.