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Hypnosis, hypnotizability, and placebo.

Edward J Frischholz1

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Summary
This summary is machine-generated.

This study questions the link between placebo responsivity and hypnotizability, finding only a slight correlation. Hypnotizability assessment remains clinically valuable, but the concept of a "good placebo responder" is debated.

Keywords:
hypnosishypnotizabilityplacebo

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Area of Science:

  • Psychology
  • Neuroscience
  • Medical Research

Background:

  • Hypnotizability is reliably measured, unlike placebo responsivity.
  • Definitions for hypnosis and placebo effects are debated, impacting research.
  • Individual differences in placebo response lack standardized measurement.

Purpose of the Study:

  • Critically examine Dr. Raz's hypothesis on placebo responsivity and hypnotizability.
  • Identify methodological challenges in studying this relationship.
  • Evaluate the clinical utility of hypnotizability assessment versus placebo response.

Main Methods:

  • Literature review of studies on hypnosis, placebo effects, and their correlation.
  • Analysis of methodological considerations for empirical research.
  • Examination of existing studies investigating the link between placebo responsivity and hypnotizability.

Main Results:

  • Treatments using adjunctive hypnosis show superior outcomes compared to placebo treatments.
  • The sole study correlating placebo responsivity and hypnotizability found only a weak relationship.
  • The existence of a "good placebo responder" (GPR) is challenged.

Conclusions:

  • The relationship between placebo responsivity and hypnotizability is weak.
  • Hypnotizability assessment retains significant clinical value.
  • Further research is needed to clarify the complex interplay between placebo effects and hypnotic suggestibility.