Catalepsy seems to facilitate hypnotic induction and deepen hypnotic trance, although no work confirms the usefulness of this technique which is in common use in hypnosis. Furthermore, it has been shown that the hypnotic trance state is accompanied by an increase in parasympathetic tone, the non-invasive measurement of which is easy by the ANI monitor (Analgesia Nociception Index). The research hypothesis is that, by adding a body dissociation, catalepsy could facilitate and intensify the hypnotic trance, the intensity of which can be monitored and is proportional to the parasympathetic tone.
After randomization, subjects will either benefit from the normal hypnotic trance, or from the hypnotic trance associated with catalepsy of the hand. T0 = installation in a sitting position and collection of an accompanying theme T1 = induction of the hypnotic trance (closing eyes) with restitution of the theme to the patient and suggestion of comfort over a period of 5 to 10 min T2 = validation of comfort by a pre-established signal T3 = return to consciousness (opening eyes) T4 = end of questionnaire about absorption, dissociation and time perception
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
90
Comfort hypnosis: accompaniment of a pleasant memory.
Catalepsy of the hand.
Institut Emergences
Rennes, France
Parasympathetic tone
Analgesia Nociception Index (ANI)
Time frame: 30 minutes
Absorption
Numeric scale from 0 to 10 (0=not at all, 10=completely)
Time frame: 30 minutes
Dissociation
Numeric scale from 0 to 10 (0=completely in the reality, 10=completely disconnected from reality)
Time frame: 30 minutes
Time perception (minute)
Difference between the time of hypnosis session estimated by the patient and the actual time of hypnosis session (from closing to opening the eyes).
Time frame: 30 minutes
Variation of Heart Rate (beat per minute)
Heart rate measured by a pulse oximeter
Time frame: 30 minutes
Variation of Respiratory Rate (breath per minute)
Respiratory rate assessed by the investigator
Time frame: 30 minutes
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