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Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency
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Hypnotic clever hands: Agency and automatic responding.

Vince Polito1, Amanda J Barnier1, Michael H Connors1

  • 1ARC Centre of Excellence in Cognition and its Disorders and Department of Cognitive Science.

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Summary
This summary is machine-generated.

Hypnosis can alter the sense of agency, influencing how people perform tasks. Specific hypnotic suggestions, like thought insertion or alien control, directly impacted action production and accuracy estimates in the Clever Hands task.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Hypnosis Research

Background:

  • The sense of agency, the feeling of controlling one's actions, is crucial for self-awareness.
  • The Clever Hands task is a behavioral illusion demonstrating a lack of agency during trivia performance.
  • Previous research suggests hypnosis primarily affects executive monitoring, not control.

Purpose of the Study:

  • To investigate the effects of hypnotic suggestions on the sense of agency within the Clever Hands task.
  • To examine how clinical disruptions to agency influence action production and projection.
  • To test whether hypnosis can impact implicit action production processes.

Main Methods:

  • Sixty highly hypnotizable participants completed two versions of the Clever Hands task.
  • Quiz One replicated the original study without hypnotic suggestions.
  • Quiz Two incorporated hypnotic suggestions for random responding, thought insertion, and alien control.

Main Results:

  • Random responding suggestion had minimal impact on accuracy.
  • Thought insertion suggestion increased correct responses, despite participants feeling random.
  • Alien control suggestion decreased correct responses, mimicking randomness.
  • Hypnotic suggestions differentially affected action production and action projection.

Conclusions:

  • Specific hypnotic suggestions can directly influence implicit action production processes.
  • Findings challenge theories suggesting hypnosis only affects executive monitoring.
  • Hypnosis can modulate the sense of agency and its impact on behavior.