PTSD Patients' eyes reveal hidden threat detection
NCT ID NCT03519789
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how people with PTSD pay attention to their surroundings. Researchers used a change blindness test to see if patients are quicker to notice changes, especially emotional ones. 80 adults with PTSD and healthy controls participated. The goal was to understand the condition better, not to test a treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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80 people
The number who actually took part.
- Started
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May 2014
- Finished
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May 2020
- 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.
Who is studied
Thirty patients with PTSD and 30 participants exposed to trauma without PTSD will be asked to detect neutral or emotional changes in 96 scenes.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: * a diagnosis of PTSD based on the standard DSM-IV criteria, * normal or corrected vision. * clinically stable at the testing time Exclusion Criteria: * history of neurological illness or trauma that occurred in the previous six months, - pregnant and nursing women, * drugs use in the last 24 hours, * an acute ocular disorder. * Participants will not be under tutorship, curatorship or deprived of liberty.
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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 Hospital, Lille
Lille, 59037, France
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Other studies related to the condition(s) this trial covers.
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