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Interoceptive Abnormalities and Suicidality: A Systematic Review.

Emily Hielscher1, Regine Zopf2

  • 1QIMR Berghofer Medical Research Institute, Herston, QLD, Australia University of Queensland, Brisbane.

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Summary
This summary is machine-generated.

Difficulties sensing the body

Keywords:
body awarenessinteroceptionsuicidalitysuicidesystematic review

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Psychology

Background:

  • Interoception, or sensing the body's internal state, is crucial for mental health.
  • Dysfunctional interoception is increasingly associated with mental health disorders and suicidality.

Purpose of the Study:

  • To systematically review the literature on the link between suicidality and interoception.
  • To identify potential confounders and mediators in this relationship.

Main Methods:

  • Systematic review of four databases.
  • Analysis of 22 studies (14,988 participants) examining interoception measures (accuracy, sensibility, awareness, cognitive/emotional evaluation) across the suicide continuum.

Main Results:

  • Limited evidence for impaired interoceptive accuracy in suicide attempters.
  • Disturbances in interoceptive sensibility and cognitive/emotional evaluation of sensations were found across the suicide continuum, particularly in attempters.
  • Interoceptive abnormalities may indicate risk for suicidal behaviors.

Conclusions:

  • Interoceptive dysfunction is linked to suicidality, but direct causality is unclear.
  • Confounding variables like depression and emotional dysregulation may mediate the association.
  • Further research with longitudinal designs is needed to clarify the role of interoception in suicidal outcomes and inform interventions.