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Hypnotic blindness: a behavioral and experiential analysis.

R A Bryant, K M McConkey

    Journal of Abnormal Psychology
    |February 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

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    Hypnotically suggested blindness did not prevent real subjects from being influenced by visual information, though their experiences differed from simulators. Behavioral responses were similar across groups, highlighting complexities in hypnotic states.

    Area of Science:

    • Psychology
    • Neuroscience
    • Cognitive Science

    Background:

    • Hypnosis can induce altered states of consciousness, including suggested sensory deficits like blindness.
    • Understanding the interplay between suggestion, perception, and behavior in hypnosis is crucial for clinical and theoretical applications.

    Purpose of the Study:

    • To investigate the impact of visual information on decision-making in individuals experiencing hypnotically suggested blindness.
    • To compare the behavioral and experiential responses of hypnotizable ('real') subjects with those simulating the hypnotic state ('simulators').

    Main Methods:

    • Two experiments were conducted involving real and simulating subjects.
    • Experiment 1 assessed behavioral responses during a decision task under suggested blindness.

    Related Experiment Videos

  • Experiment 2 examined experiential reactions and phenomenal awareness related to the suggested blindness.

    • Main Results:

    • Behavioral responses in both real and simulating subjects were significantly influenced by visual information, despite reported blindness.
    • The behavioral patterns of real subjects and simulators were largely comparable.
    • Experiential data revealed significant differences in the subjective experience of blindness between real and simulating subjects.

    Conclusions:

    • Hypnotically suggested blindness does not necessarily eliminate the influence of visual stimuli on behavior.
    • The subjective experience of hypnosis, particularly suggested sensory deficits, differs between individuals capable of genuine hypnotic response and those who simulate it.
    • Further research is needed to refine models of hypnotic blindness, accounting for both behavioral and experiential dimensions.