A1 Refereed original research article in a scientific journal
THE EFFECTS OF HYPNOSIS AND HYPNOTIC SUGGESTIONS ON THE MISMATCH NEGATIVITY IN HIGHLY HYPNOTIZABLE SUBJECTS
Authors: Hiltunen S, Virta M, Kallio S, Paavilainen P
Publisher: ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
Publication year: 2019
Journal: International Journal of Clinical and Experimental Hypnosis
Journal name in source: INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL HYPNOSIS
Journal acronym: INT J CLIN EXP HYP
Volume: 67
Issue: 2
First page : 192
Last page: 216
Number of pages: 25
ISSN: 0020-7144
eISSN: 1744-5183
DOI: https://doi.org/10.1080/00207144.2019.1580966(external)
Abstract
The neural mechanisms associated with hypnosis were investigated in a group of 9 high hypnotizable subjects by measuring the mismatch negativity (MMN) component of the auditory event-related potential (ERP). ERPs were recorded using a passive oddball paradigm to sinusoidal standard and deviant tone stimuli of 500 and 520 Hz, respectively, in four conditions: prehypnosis, neutral hypnosis, hypnotic suggestion for altering the tone perception, and posthypnotic conditions. Earlier studies have indicated that hypnosis and hypnotic suggestions might have an effect on MMN, but the results of our study contradict these results: No statistically significant differences were found between the conditions in the MMN amplitudes.
The neural mechanisms associated with hypnosis were investigated in a group of 9 high hypnotizable subjects by measuring the mismatch negativity (MMN) component of the auditory event-related potential (ERP). ERPs were recorded using a passive oddball paradigm to sinusoidal standard and deviant tone stimuli of 500 and 520 Hz, respectively, in four conditions: prehypnosis, neutral hypnosis, hypnotic suggestion for altering the tone perception, and posthypnotic conditions. Earlier studies have indicated that hypnosis and hypnotic suggestions might have an effect on MMN, but the results of our study contradict these results: No statistically significant differences were found between the conditions in the MMN amplitudes.
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