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The association between interoception and psychopathic traits.

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Psychopathic traits are linked to altered bodily signal awareness. Individuals with higher psychopathy traits, particularly impulsivity, may over-report internal sensations, suggesting interoceptive disturbances.

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Area of Science:

  • Psychology
  • Neuroscience
  • Psychophysiology

Background:

  • Psychopathic traits involve emotional deficits like reduced empathy and impulsivity.
  • The role of interoception (awareness of internal bodily signals) in psychopathy is understudied.
  • Previous research shows inconsistent links between psychopathy and interoception.

Purpose of the Study:

  • To investigate interoceptive abnormalities in individuals with psychopathic traits.
  • To examine emotional impairments related to interoception during social stress.
  • To analyze these associations in a non-clinical, non-incarcerated sample.

Main Methods:

  • 114 participants completed self-report measures of psychopathic traits.
  • Skin conductance level (SCL) was recorded during a social exclusion task.
  • Interoceptive sensibility was assessed by comparing reported sensations to SCL, identifying under-reporting, over-reporting, and control groups.

Main Results:

  • Self-Centered Impulsivity correlated positively with interoceptive sensibility.
  • Coldheartedness correlated negatively with interoceptive sensibility.
  • The over-reporting group exhibited higher Self-Centered Impulsivity than other groups.

Conclusions:

  • Interoceptive disturbances are linked to the impulsive and antisocial aspects of psychopathy.
  • Individuals with higher psychopathy traits may exhibit hyper-vigilance and over-report bodily sensations.
  • Findings highlight the importance of interoception in understanding psychopathy's behavioral dimensions.