Facilitation of response to suggestion by response to previous suggestion of a different type.

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Abstract
Eight subjects were selected because they were hypnotizable. Postural changes in response to suggestion, received during the waking state, were compared with the same type of movement in the trance state. Suggestions regarding sleep were given by means of the Estabrook hypnotic-technique phonographic record. The suggestions regarding movement were standardized for this experiment by the preparation of an appropriate record. The feasibility of using phonograph records for the purpose of standardization of procedure is pointed out. Response to suggestions regarding the forward movement of the arm took place more rapidly in the trance than in the waking state. Eye closure incident to going into the trance took place more rapidly after response to suggestions regarding arm movement than it did when such response preceded the suggestions for sleep. There was evidence of a cumulative effect in successive suggestions regarding arm movement. Habituation is evident in the responses on following days in regard to both eye closure and arm movement. Practice curves show negative acceleration. There is a positive relationship between the length of time necessary for eye closure and that necessary for eye closure and that necessary for arm movement. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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