Abstract
The length of time required to induce successive hypnotic trances in 6 S's decreased from a mean of 432 seconds on the first trance to 106 seconds on the tenth trance. With a period of no practice there was a loss in the susceptibility to the trance. The time necessary to induce trance again decreased when practice was resumed. Eyelid catalepsy was used as a test of the trance in the first three trails. Time was taken from the start of the suggestion to the complete closure of the eyes. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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