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Hypnotizing Libet: Readiness potentials with non-conscious volition.

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Summary
This summary is machine-generated.

The readiness potential (RP) does not cause conscious will. This study shows volitional movements can occur without the feeling of will, challenging the RP's role in conscious decision-making.

Keywords:
ConsciousnessFree willHypnosisLibetReadiness potentialVolition

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Area of Science:

  • Neuroscience
  • Philosophy of Mind
  • Cognitive Science

Background:

  • The readiness potential (RP) is controversial due to its implications for conscious will.
  • Libet's findings suggested the RP precedes conscious awareness, questioning conscious will's causal role in actions.
  • The RP may reflect unconscious processes initiating movement and the feeling of will.

Purpose of the Study:

  • To investigate if volitional movement can occur without the feeling of will.
  • To determine if the neural processes indexed by RPs are sufficient for conscious willing.
  • To re-examine the relationship between the readiness potential and conscious will.

Main Methods:

  • Subjects performed self-timed, endogenously-initiated movements.
  • Movements were triggered by post-hypnotic suggestion.
  • Electrophysiological recordings measured the readiness potential (RP).

Main Results:

  • Volitional movements were observed without a conscious feeling of willing.
  • Readiness potentials occurred even when subjects lacked conscious awareness of willing.
  • These findings indicate RPs are insufficient to cause the experience of conscious willing.

Conclusions:

  • The experience of conscious will does not necessarily accompany all volitional movements.
  • The neural processes indexed by the readiness potential are not sufficient to generate the conscious experience of willing.
  • This research challenges the direct causal link between the readiness potential and conscious will in action initiation.