Key result
A brief hypnosis relaxation induction had no significant effect on cardiac vagal activity or breathing frequency compared to a non-hypnotic audio recording, despite improving subjective relaxation.
Why the study?
Does a brief hypnosis relaxation induction improve physiological markers of relaxation and cardiac vagal activity in participants?
Population
40 participants
Comparison
Recorded brief hypnosis session including… vs Nonhypnotic recording (within-subjects design)
Design
Other
Authors
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Brief hypnosis improves subjective relaxation without altering vagal activity; leaves open any autonomic effects pending higher-level trials.
Does a brief hypnosis relaxation induction improve physiological markers of relaxation and cardiac vagal activity in participants?
p-value: p=0.206
Brief hypnosis with relaxation suggestions improves subjective psychological states but does not significantly alter peripheral physiological markers such as cardiac vagal activity.
Laborde et al. (2018) studied Healthy adults (n=40). Brief hypnosis relaxation induction (audio recording) vs. Non-hypnotic recording (audio documentary) was evaluated on Cardiac vagal activity (RMSSD) (p=0.206). A brief hypnosis relaxation induction had no significant effect on cardiac vagal activity or breathing frequency compared to a non-hypnotic audio recording, despite improving subjective relaxation.
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