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Psychopathy.

Stephane A De Brito1, Adelle E Forth2, Arielle R Baskin-Sommers3

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Summary
This summary is machine-generated.

Psychopathy, a personality disorder with antisocial traits, affects ~1% of the population. Early identification and intervention in at-risk youth are crucial for prevention.

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Area of Science:

  • Psychology
  • Psychiatry
  • Neuroscience

Background:

  • Psychopathy is a personality disorder marked by affective, interpersonal, lifestyle, and antisocial features.
  • It affects approximately 1% of the general population, rising to 25% in prisoners.
  • Its etiology involves complex genetic and environmental factors, including gene-environment interactions.

Purpose of the Study:

  • To review the characteristics, etiology, neurobiology, and treatment of psychopathy.
  • To highlight the importance of early identification and intervention in at-risk children and adolescents.

Main Methods:

  • Review of existing literature on psychopathy.
  • Examination of neurocognitive deficits associated with psychopathy.
  • Analysis of preliminary intervention studies.

Main Results:

  • Psychopathy is linked to structural and functional brain abnormalities in cortical and subcortical regions.
  • These abnormalities disrupt emotional responsiveness, decision-making, and attention.
  • Early interventions targeting antecedents of psychopathic traits in youth show effectiveness.

Conclusions:

  • Psychopathy has significant negative impacts, including comorbidities and increased risks.
  • Identifying and intervening with at-risk youth is critical for prevention.
  • While no cure exists for adults, interventions show promise.