Alternative DSM-5 Model Personality Disorders


In the following alternative DSM-5 model, personality disorders are characterized by impairments in personality functioning and pathological personality traits. The specific personality disorder diagnoses that may be derived from this model include antisocial, avoidant, borderline, narcissistic, obsessive-compulsive, and schizotypal personality dis orders. This approach also includes a diagnosis of personality disorder—trait specified (PD-TS) that can be made when a personality disorder is considered present but the crite ria for a specific disorder are not met.

General Criteria for Personality Disorder

The essential features of a personality disorder are

  1. Moderateorgreaterimpairmentinpersonality(self/interpersonal)functioning.
  2. One or more pathological personality traits.
  3. The impairments in personality functioning and the individual’s personality trait expression are relatively inflexible and pervasive across a broad range of personal and social situations.
  4. The impairments in personality functioning and the individual’s personality trait expression are relatively stable across time, with onsets that can be traced back to at least adolescence or early adulthood.
  5. The impairments in personality functioning and the individual’s personality trait expression are not better explained by another mental disorder.
  6. The impairments in personality functioning and the individual’s personality trait expression are not solely attributable to the physiological effects of a substance or another medical condition (e.g., severe head trauma).
  7. The impairments in personality functioning and the individual’s personality trait expression are not better understood as normal for an individual’s developmental stage or sociocultural environment.

A diagnosis of a personality disorder requires two determinations: 1) an assessment of the level of impairment in personality functioning, w^hich is needed for Criterion A, and 2) an evaluation of pathological personality traits, which is required for Criterion B. The impairments in personality functioning and personality trait expression are relatively inflex ible and pervasive across a broad range of personal and social situations (Criterion C); relatively stable across time, with onsets that can be traced back to at least adolescence or early adulthood (Criterion D); not better explained by another mental disorder (Criterion E); not attributable to the effects of a substance or another medical condition (Criterion F); and not better understood as normal for an individual’s developmental stage or sociocul tural environment (Criterion G). All Section III personality disorders described by criteria sets, as well as PD-TS, meet these general criteria, by definition.

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