Attention control and susceptibility to hypnosis |
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| Authors: | Cristina Iani Federico Ricci Giulia Baroni Sandro Rubichi |
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| Institution: | 1. TDH E-1329 Psychophysiology Lab, University of Pittsburgh, Pittsburgh, PA, United States;2. Department of Human Genetics, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA, United States;3. 713 Oxford Building, Forbes Ave., University of Pittsburgh, Pittsburgh, PA, United States;1. Danish Pain Research Center, Department of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark;2. Department of Psychology, School of Business and Social Sciences, Aarhus University, Aarhus, Denmark;3. Section of Biostatistics, Department of Public Health, Aarhus University, Aarhus, Denmark;4. Department of Psychology, La Sapienza, University of Rome, Rome, Italy;5. Department of Neurology, Aarhus University Hospital, Aarhus, Denmark |
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| Abstract: | The present work aimed at assessing whether the interference exerted by task-irrelevant spatial information is comparable in high- and low-susceptible individuals and whether it may be eliminated by means of a specific posthypnotic suggestion. To this purpose high- and low-susceptible participants were tested using a Simon-like interference task after the administration of a suggestion aimed at preventing the processing of the irrelevant spatial information conveyed by the stimuli. The suggestion could be administered either in the absence or following a standard hypnotic induction. We showed that, outside from the hypnotic context, the Simon effect was similar in high and low-susceptible participants and it was significantly reduced following the posthypnotic suggestion in high-susceptible participants only. These results show that a specific posthypnotic suggestion can alter information processing in high-susceptible individuals and reduce the interfering effect exerted by arrow stimuli. |
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