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Hypnotic blindness, awareness, and attribution.

R A Bryant, K M McConkey

    Journal of Abnormal Psychology
    |November 1, 1989
    PubMed
    Summary
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    Hypnotic blindness, induced by suggestion, allowed unconscious visual information to influence spelling performance. Subjects were unaware of the words influencing their performance, ruling out demand characteristics.

    Area of Science:

    • Cognitive Psychology
    • Neuroscience
    • Hypnosis Research

    Background:

    • Hypnosis can induce states of altered awareness, including suggested blindness.
    • The influence of subliminal or unattended information on cognitive tasks is a key area of research.

    Purpose of the Study:

    • To investigate if visual information, presented during hypnotic blindness, affects spelling performance without conscious awareness.
    • To differentiate the effects of implicit perception from demand characteristics in hypnosis.

    Main Methods:

    • Experiment 1: Presented homophone spellings before and during hypnotic blindness, followed by a spelling test.
    • Experiment 2: Employed nonexperiment methodology to assess demand characteristics' role.

    Main Results:

    Related Experiment Videos

    • Visual information presented during hypnotic blindness significantly influenced spelling performance.
    • Subjects did not consciously attribute their performance changes to the presented words.
    • Demand characteristics did not explain the observed performance attributions.

    Conclusions:

    • Hypnotic blindness facilitates implicit perception, where unattended visual information impacts behavior.
    • Behavioral performance in hypnosis is influenced by factors beyond conscious awareness and attribution.