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Publication
Suggested visual hallucinations in and out of hypnosis
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Advisor(s)
Abstract(s)
We administered suggestions to see a gray-scale pattern as colored and a colored pattern in
shades of gray to 30 high suggestible and eight low suggestible students. The suggestions
were administered twice, once following the induction of hypnosis and once without an
induction. Besides rating the degree of color they saw in the stimuli differently, participants
also rated their states of consciousness as normal, relaxed, hypnotized, or deeply
hypnotized. Reports of being hypnotized were limited to highly suggestible participants
and only after the hypnotic induction had been administered. Reports of altered color perception
were also limited to high suggestibles, but were roughly comparable regardless of
whether hypnosis had been induced. These data indicate that suggestible individuals do
not slip into a hypnotic state when given imaginative suggestions without the induction
of hypnosis, but nevertheless report experiencing difficult suggestions for profound perceptual
alterations that are pheonomenologically similar to what they report in hypnosis.
Description
Keywords
Hypnosis Suggestion Suggestibility Altered state Color perception Hallucination
Citation
Consciousness and Cognition, 18, 494-499