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1Department of Psychiatry, University of British Columbia.
Personality Disorders
|July 5, 2022
Summary
The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition alternative model of personality disorder (AMPD) offers innovations for classifying personality disorders. However, adopting it fully is premature without sufficient construct validity evidence alongside clinical utility data.
Area of Science:
- Psychiatry
- Psychology
- Mental Health Classification
Background:
- The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition alternative model of personality disorder (AMPD) introduced significant innovations.
- These include an explicit definition, severity levels, a dimensional model, and alignment with normal personality science.
Purpose of the Study:
- To evaluate the clinical utility of the AMPD compared to traditional personality disorder diagnoses.
- To assess the readiness of the AMPD for adoption as the standard classification system.
Main Methods:
- Review of evidence on the clinical utility of the AMPD.
- Analysis of the conceptual and methodological challenges in translating AMPD's features into a diagnostic classification.
Main Results:
- Evidence suggests dimensional classification within the AMPD does not negatively impact clinical utility.
- The review highlights insufficient construct validity evidence to support immediate adoption.
Conclusions:
- While the AMPD offers valuable innovations for personality disorder classification, its full adoption is premature.
- Further evidence on construct validity is needed before implementing the AMPD as the standard classification.