| Abstract: | Highly responsive hypnotic Ss (43 undergraduates) who were classified as having control over remembering (voluntaries) or not having control over remembering (involuntaries) during posthypnotic amnesia, were compared with each other on 4 physiological measures—heart rate, electrodermal response, respiration rate, and muscle tension—during posthypnotic recall. Two contextual conditions were employed: One was meant to create pressure to breach posthypnotic amnesia (lie detector instructions) and the other, a relax condition, served as a control. The recall data showed that voluntary Ss under the lie detector condition recalled more than the other 3 samples that did not differ from each other. However, using another measure of voluntariness showed that both voluntary and involuntary Ss breached under lie detector conditions. Electrodermal responses supported Ss' reports of control in this case. Results are discussed as they relate to (a) studies attempting to breach posthypnotic amnesia, (b) the voluntary/involuntary classification of Ss, and (c) theories of hypnosis. (22 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
