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A dimensional model of personality disorder.

Thomas A Widiger1

  • 1Department of Psychology, University of Kentucky, Lexington, Kentucky 40506-0044, USA. widiger@uky.edu

Current Opinion in Psychiatry
|April 28, 2006
PubMed
Summary

The American Psychiatric Association is developing a dimensional model for personality disorder diagnosis. This approach integrates general personality structure research, offering clinical benefits and improved diagnostic validity.

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Area of Science:

  • Psychiatry and Psychology
  • Personality Science

Background:

  • The American Psychiatric Association's research planning groups advocate for a dimensional model of personality disorder.
  • Current diagnostic systems are transitioning towards more dimensional approaches.

Purpose of the Study:

  • To summarize research on integrating the five-factor model of personality structure with personality disorder diagnosis.
  • To highlight the advantages of a five-factor model for personality disorder classification.

Main Methods:

  • Literature review of recent studies.
  • Analysis of the five-factor model's relevance to personality disorder diagnosis.

Main Results:

  • The five-factor model offers a framework for a dimensional approach to personality disorders.

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  • Research supports the integration of basic science personality research into diagnostic models.

    • Conclusions:

    • Future diagnostic manuals will likely adopt dimensional personality disorder classifications.
    • Clinicians should familiarize themselves with dimensional approaches for enhanced diagnostic utility and validity.