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Suggested posthypnotic amnesia in psychiatric patients and normals
E J Frischholz1, B G Braun, L S Lipman
1University of Illinois, Chicago.
The American Journal of Clinical Hypnosis
|July 1, 1992
Summary
Dissociative disorder patients show higher hypnotizability and amnesia effects than other psychiatric groups. Schizophrenic patients exhibit unique qualitative differences in posthypnotic amnesia, despite similar overall hypnotic responsivity.
Area of Science:
- Psychology
- Psychiatry
- Neuroscience
Background:
- Hypnotizability varies across individuals and clinical populations.
- Understanding these differences can inform therapeutic interventions.
- Previous research has not fully explored hypnotizability in diverse psychiatric groups.
Purpose of the Study:
- To compare quantitative and qualitative hypnotizability among dissociative disorder, schizophrenic, mood disorder, anxiety disorder patients, and healthy controls.
- To investigate differences in response to hypnotic suggestions, particularly posthypnotic amnesia.
Main Methods:
- Utilized the Stanford Hypnotic Susceptibility Scale, Form C.
- Administered to four psychiatric patient groups and a control group of college students.
- Analyzed both total scores and specific responses to amnesia suggestions.
Main Results:
- Dissociative disorder patients exhibited significantly higher overall hypnotizability.
- Dissociative disorder patients showed significantly greater effects of posthypnotic amnesia.
- Schizophrenic patients displayed unique qualitative differences in amnesia recall and reversal, irrespective of overall hypnotizability.
Conclusions:
- Hypnotizability and amnesia responses differ significantly across psychiatric diagnoses.
- Dissociative disorders are associated with heightened hypnotic susceptibility and amnesia.
- Schizophrenia presents distinct patterns of amnesia response, highlighting qualitative differences in hypnotic effects.