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Psychophysiology. 2011 Oct;48(10):1444-7. doi: 10.1111/j.1469-8986.2011.01211.x. Epub 2011 Apr 15.

Differential frontal-parietal phase synchrony during hypnosis as a function of hypnotic suggestibility.

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Department of Psychology, Lund University, Lund, Sweden.


Spontaneous dissociative alterations in awareness and perception among highly suggestible individuals following a hypnotic induction may result from disruptions in the functional coordination of the frontal-parietal network. We recorded EEG and self-reported state dissociation in control and hypnosis conditions in two sessions with low and highly suggestible participants. Highly suggestible participants reliably experienced greater state dissociation and exhibited lower frontal-parietal phase synchrony in the alpha2 frequency band during hypnosis than low suggestible participants. These findings suggest that highly suggestible individuals exhibit a disruption of the frontal-parietal network that is only observable following a hypnotic induction.

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