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Associations Between Suicidality and Interoception in Obsessive-Compulsive Disorder.

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  • 1University of Miami, Department of Psychology; 5665 Ponce de Leon Boulevard, Coral Gables, FL, USA 33146.

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Summary

Individuals with obsessive-compulsive disorder (OCD) experience altered interoceptive sensibility (IS), affecting body awareness. Reduced body trust links to suicidal thoughts, while heightened sensation awareness relates to suicide attempts in OCD patients.

Keywords:
Obsessive-compulsive disorderinteroceptive sensibilitysuicidal ideationsuicide attempt

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Area of Science:

  • Psychiatry
  • Psychology
  • Neuroscience

Background:

  • Individuals with obsessive-compulsive disorder (OCD) exhibit elevated suicide risk.
  • Interoceptive sensibility (IS), the subjective experience of bodily sensations, is a potential contributing factor.
  • The study investigates the link between IS and suicidality in OCD.

Purpose of the Study:

  • To examine the relationship between interoceptive sensibility and current suicidal ideation.
  • To explore the association between interoceptive sensibility and lifetime history of suicide attempts.
  • To control for relevant covariates in the analysis of IS and suicidality in OCD.

Main Methods:

  • A clinical sample of 145 individuals diagnosed with OCD participated.
  • Participants were recruited from the New York City area.
  • Data collection involved diagnostic interviews, OCD severity assessments, and self-report questionnaires on demographics, IS, and suicidality.

Main Results:

  • Current suicidal ideation was significantly associated with reduced trusting of bodily sensations.
  • Lifetime history of suicide attempt was related to greater general awareness of bodily sensations.
  • These associations remained statistically significant after controlling for relevant covariates.

Conclusions:

  • Specific aspects of IS correlate with distinct dimensions of suicidality in OCD.
  • Decreased body trusting may reflect a sense of bodily disconnection, potentially increasing suicidal desire.
  • Heightened awareness of sensations might exacerbate mental pain, interacting with emotion regulation deficits to elevate suicide attempt risk.