“…After that, the patients underwent a standard hypnotic induction by an ESH-certified psychotherapist-hypnologist with the suggestion of physical and mental relaxation, followed by the trance deepening using descending the stairs metaphor, accompanied by counting with the suggestion to mentally descend the stairs deeper with each count. After the appearance of noticeable relaxation signs, such as "hanging" of the facial muscles, lowering of the mandible, in some cases with a slight mouth opening, a decrease in the frequency of respiratory movements, and a structure of breathing change (transition to slow diaphragmatic breathing), which considered by wellknown experts in the field of experimental hypnosis to be sufficient external phenomenological criteria for verifying the deep trance period beginning (Casiglia et al, 2018;Casiglia et al, 2019), for some additional time the suggestions to deepen and maintain this trance depth were given, with periodic repeated checks of rapport keeping by finger signaling. The rapport checking was done by a suggestion: "If you can hear me, let your unconscious mind move the thumb of your right hand".…”