Hypnosis breakthrough? scientists test if body stiffness deepens trance
NCT ID NCT05306262
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether catalepsy (a state of rigid body posture) helps people go into a deeper hypnotic trance. Researchers measured relaxation through a heart monitor in 90 healthy volunteers. The goal was to see if adding body dissociation makes hypnosis more intense.
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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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90 people
The number who actually took part.
- Started
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May 2022
- Finished
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May 2022
- 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 75 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Healthy Volunteers * Consent for participation * Affiliation to the social security system Exclusion Criteria: * Arrhythmia (atrial fibrillation, pacemaker, defibrillator) * Autonomic nervous system disorder (paraplegia, epilepsy, etc.) * Pregnant or breastfeeding woman * Patients under protection of the adults (guardianship, curators or safeguard of justice) * Communication difficulties
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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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Institut Emergences
Rennes, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.