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Eye movements could be key to unlocking PTSD treatment
NCT ID NCT06878807
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study looked at why eye movements help reduce the emotional charge of traumatic memories in EMDR therapy. Researchers tested 112 healthy adults using a simple eye-blink conditioning task to see if eye movements speed up the brain's ability to unlearn a fear response. The goal was to understand the working memory hypothesis—that doing a second task while recalling a memory makes it less vivid and emotional.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- eye movement
- What this could lead to
- If it works, this could clarify how EMDR therapy reduces the emotional impact of traumatic memories, potentially leading to more effective PTSD treatments.
- What could go wrong
- This is a small, completed study in healthy volunteers, not PTSD patients. The findings may not directly translate to clinical therapy or real-world trauma processing.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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112 people
The number who actually took part.
- Started
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Apr 2022
- Finished
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Apr 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age between 18 and 65 years * Provide informed consent Exclusion Criteria: * Prior exposure to EMDR therapy or eye movement (EM) experiments * Positive diagnosis of PTSD or other Axis I disorders as determined by the Mini-International Neuropsychiatric Interview (MINI) * Hearing or visual impairments
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Hospital Clinic de Barcelona
Barcelona, Barcelona, Spain
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