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Executive functioning in people with personality disorders.

Domingo Garcia-Villamisar1, John Dattilo, Marta Garcia-Martinez

  • 1aDepartment of Clinical Psychology, Section of Psychopathology, Complutense University of Madrid, Madrid, Spain bThe Pennsylvania State University, University Park, Pennsylvania, USA.

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Summary
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Individuals with personality disorders consistently show executive functioning impairments, particularly in decision-making and memory. These neurocognitive deficits may explain behavioral changes, suggesting prefrontal area involvement.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Personality disorders are complex mental health conditions.
  • Executive functions are crucial for goal-directed behavior.
  • Understanding the neurocognitive underpinnings of personality disorders is essential for improved diagnosis and treatment.

Purpose of the Study:

  • To review recent research on executive functions in personality disorders.
  • To better delineate the nosology of personality disorders through the lens of cognitive deficits.
  • To identify specific patterns of executive dysfunction across different personality disorders.

Main Methods:

  • Systematic review of recent executive functions research.
  • Analysis of studies focusing on borderline, obsessive-compulsive, antisocial, narcissistic, and schizotypal personality disorders.
  • Comparison of executive functioning in individuals with personality disorders against matched control groups.

Main Results:

  • Consistent executive functioning impairments were observed in individuals with personality disorders compared to controls.
  • Specific deficits were noted in decision-making, working memory, inhibition, and cognitive flexibility.
  • Data on executive functions for other personality disorders remain limited.

Conclusions:

  • Personality disorders may involve neurocognitive alterations, particularly affecting prefrontal areas.
  • Executive dysfunctions could partially account for the behavioral symptoms observed in personality disorders.
  • Future research should explore comorbidity, clinical heterogeneity, community samples, and longitudinal studies in youth.