EMDR Works . . . But How? Recent Progress in the Search for Treatment Mechanisms
Bibliographic record
Abstract
Eye movement desensitization and reprocessing (EMDR) is a highly scrutinized but efficacious psychotherapy commonly used in the treatment of posttraumatic stress disorder. Despite much theorizing and speculation, EMDR’s mechanism of action remains unspecified. This article reviews several accounts of how EMDR works to reduce symptoms and/or aid memory reprocessing, including disruption of a traumatic recollection in working memory, increased psychological distance from the trauma, enhanced communication between brain hemispheres, and psychophysiological changes associated with relaxation or evocation of a rapid-eye-movement–like brain state. Several gaps in knowledge are also identified: The working memory account has received considerable support but has yet to be evaluated using clinical samples. How psychological distancing translates into symptomatic improvement is unclear. Psychophysiological effects of EMDR are well demonstrated but leave open the question of whether they constitute a treatment mechanism or an outcome of memory processing. Multiple mechanisms may work to produce treatment gains in EMDR; hence, an integrative model may be necessary to capture its myriad effects.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.011 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".