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Interoceptive Accuracy as a Function of Hypnotizability.

Anna Rosati1, Iacopo Belcari1, Enrica L Santarcangelo1

  • 1Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy.

The International Journal of Clinical and Experimental Hypnosis
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Summary
This summary is machine-generated.

This study found that higher hypnotizability correlated with lower interoceptive accuracy. Interoceptive sensitivity did not influence this relationship, though males showed higher accuracy among medium hypnotizability individuals.

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Area of Science:

  • Psychophysiology
  • Neuroscience
  • Cognitive Science

Background:

  • Interoception, the sense of the physiological state of the body, is crucial for self-awareness and emotional regulation.
  • Hypnotizability, an individual's capacity to experience hypnotic states, may influence interoceptive processing.
  • Previous research has not fully elucidated the relationship between hypnotizability and interoceptive accuracy.

Purpose of the Study:

  • To investigate the relationship between hypnotizability levels and interoceptive accuracy (IA).
  • To explore the role of interoceptive sensitivity (IS) in this relationship.
  • To examine gender differences in IA within different hypnotizability groups.

Main Methods:

  • Participants were categorized into high, medium, and low hypnotizability groups.
  • Interoceptive accuracy was assessed using a heartbeat-counting task during relaxation.
  • Electrocardiography (ECG), skin conductance (SC), and self-reported task difficulty were monitored. The Multidimensional Assessment of Interoceptive Awareness (MAIA) was used to measure interoceptive sensitivity.

Main Results:

  • No significant differences in counting difficulty or actual heartbeats were found across hypnotizability groups.
  • Skin conductance decreased significantly in high hypnotizability individuals across all trials, and in medium and low groups only during the final trial.
  • Interoceptive accuracy was negatively correlated with hypnotizability and showed no correlation with interoceptive sensitivity. Among medium hypnotizability individuals, males exhibited higher interoceptive accuracy than females.

Conclusions:

  • Hypnotizability is a significant factor influencing interoceptive accuracy, with higher hypnotizability associated with reduced accuracy.
  • Interoceptive sensitivity, as measured by MAIA, does not appear to mediate the relationship between hypnotizability and IA.
  • Gender may play a role in interoceptive accuracy within specific hypnotizability ranges, warranting further investigation.