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Tapping away trauma? brain study hints EMDR technique may calm emotional reactivity
NCT ID NCT07550556
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a single 15-minute session of Butterfly Tapping, a self-administered EMDR technique, could change brain activity in 46 young adults with PTSD. Participants either did the tapping or sat still while their brain waves were recorded. The tapping group showed a reduction in a brain signal linked to emotional processing, suggesting the technique might help dampen reactivity to negative images. However, this was a small, early-stage study focused on brain signals, not symptoms, so more research is needed.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Butterfly Tapping (a self-administered alternating bilateral stimulation technique)
- What this could lead to
- If confirmed, this could point toward a simple, drug-free technique to help people with PTSD manage emotional distress.
- What could go wrong
- This was a very small, single-session study with only 46 participants. It measured brain signals, not real-world symptoms, so it is far from proving any lasting benefit.
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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46 people
The number who actually took part.
- Started
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Jan 2025
- Finished
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Mar 2026
- 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 years and older
- 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: * normal or corrected-to-normal vision; full right-handedness Exclusion Criteria: * neurological or other psychiatric disorders tha PTSD; current use of psychoactive medications.
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Conditions
The condition(s) this trial relates to.
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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University of Rome Foro Italico
Rome, RM, 00135, Italy
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Other studies related to the condition(s) this trial covers.
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