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Related Experiment Videos

Is the hypnotized subject lying?

T Kinnunen1, H S Zamansky, M L Block

  • 1Department of Psychology, Northeastern University, Boston, Massachusetts 02115.

Journal of Abnormal Psychology
|May 1, 1994
PubMed
Summary
This summary is machine-generated.

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Deeply hypnotized individuals truthfully report their experiences with hypnotic suggestions. Electrodermal skin conductance response (SCR) effectively detects deception, distinguishing genuine hypnotic experiences from simulated ones.

Area of Science:

  • Psychology
  • Neuroscience
  • Cognitive Science

Background:

  • The veracity of subjective reports in deeply hypnotized subjects remains a key question in hypnosis research.
  • Electrodermal skin conductance response (SCR) has been validated as a reliable indicator of deception in laboratory settings.
  • Previous research has not definitively established whether hypnotized individuals' verbal accounts align with their actual experiences.

Purpose of the Study:

  • To investigate whether verbal reports from deeply hypnotized subjects accurately reflect their subjective experiences of hypnotic suggestions.
  • To assess the efficacy of electrodermal skin conductance response (SCR) in differentiating truthful reports from simulated ones during hypnosis.

Main Methods:

  • Experiment 1: Established the reliability of SCR in detecting deception in both hypnotized and non-hypnotized participants.

Related Experiment Videos

  • Experiment 2: Deeply hypnotized and simulating participants received hypnotic suggestions and were questioned about their experiences.
  • Concurrent measurement of electrodermal skin conductance response (SCR) alongside verbal reports to assess truthfulness.

    • Main Results:

    • Electrodermal skin conductance response (SCR) effectively distinguished between genuine and simulated responses to hypnotic suggestions.
    • 89% of deeply hypnotized subjects' reports were deemed truthful based on SCR measures.
    • Only 35% of simulating subjects' reports met the criterion for truthfulness.

    Conclusions:

    • Verbal reports of deeply hypnotized individuals generally correspond truthfully to their subjective experiences of hypnotic suggestions.
    • Electrodermal skin conductance response (SCR) serves as a valuable objective measure for assessing the authenticity of hypnotic experiences.
    • Findings have significant implications for understanding the nature of hypnosis and the subjective reality of hypnotic states.