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HYPNOTIC AUTOMATICITY IN THE BRAIN AT REST: An Arterial Spin Labelling Study.

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Hypnosis increases feelings of automaticity, linked to brain activity in the parietal operculum and anterior cingulate cortex. These findings reveal neural correlates of hypnotic automaticity at rest.

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Subjective automaticity is a key feature of hypnotic experiences.
  • Understanding the neural basis of automaticity in hypnosis is crucial for its therapeutic applications.

Purpose of the Study:

  • To investigate the neural correlates of subjective automaticity during hypnosis.
  • To examine brain activity changes associated with perceived automaticity using resting-state functional neuroimaging.

Main Methods:

  • Healthy participants underwent a standard hypnotic induction.
  • Subjective ratings of automaticity were collected.
  • Resting-state arterial spin labelling (ASL) scans were acquired before and after hypnosis.

Main Results:

  • Increased perceived automaticity correlated with heightened activity in the parietal operculum (PO).
  • Coactivation analysis identified associations with the anterior supracallosal cingulate cortex (aMCC).
  • These brain regions are implicated in self-agency and volition.

Conclusions:

  • Hypnotic automaticity is associated with specific patterns of brain activity in regions related to self-agency.
  • These effects are observable at rest, without requiring overt actions.
  • Further research can explore how these neural changes influence hypnotic suggestibility and clinical outcomes.