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Oxytocin and cortisol in the hypnotic interaction.

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Hypnotic interactions influence oxytocin levels, not based on susceptibility but on relational experiences. Subjective harmony boosts oxytocin in subjects, while past relationship memories affect hypnotist oxytocin levels.

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Area of Science:

  • Psychoneuroendocrinology
  • Social Psychology
  • Hypnosis Research

Background:

  • Oxytocin and cortisol are key neuroendocrine hormones involved in social bonding and stress.
  • Hypnosis is a complex psychobiological state with potential effects on neuroendocrine function.
  • Understanding the interplay between hypnosis, neuroendocrinology, and interpersonal dynamics is crucial.

Purpose of the Study:

  • To investigate the relationship between hypnotic interactions and changes in oxytocin and cortisol levels in healthy volunteers.
  • To explore whether these hormonal changes correlate with hypnotic susceptibility and reported relational experiences.

Main Methods:

  • Standardized laboratory sessions were used to induce hypnotic interactions in healthy volunteers.
  • Blood samples were collected pre- and post-hypnosis to measure oxytocin and cortisol levels.
  • Hypnotic susceptibility, perceived relational harmony, and parental relationship memories were assessed using paper-and-pencil tests.

Main Results:

  • Changes in oxytocin levels were not significantly related to hypnotic susceptibility.
  • Oxytocin levels increased in subjects reporting high perceived harmony with the hypnotist.
  • Oxytocin levels increased in hypnotists when subjects recalled less warm parental relationships.

Conclusions:

  • Relational experiences, rather than hypnotic susceptibility, are key mediators of oxytocin level changes during hypnosis.
  • The findings support a social-psychobiological model of hypnosis, highlighting the role of interpersonal dynamics in neuroendocrine responses.
  • This research underscores the impact of subjective relational experiences on physiological changes within the hypnotic context.