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Personality disorder features through the life course.

Fernando Gutiérrez1, Gemma Vall, Josep Maria Peri

  • 1Servei Psicologia Clínica, Institut Clínic Neurociències, Hospital Clínic de Barcelona, Villarroel 170, 08036 Barcelona, Spain. fguti@clinic.ub.es

Journal of Personality Disorders
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PubMed
Summary
This summary is machine-generated.

Personality disorder traits are more fluid and heterogeneous across the lifespan than previously understood. Examining individual criteria, not just diagnostic categories, reveals nuanced developmental changes in personality pathology.

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Area of Science:

  • Psychiatry
  • Developmental Psychology
  • Clinical Psychology

Background:

  • Personality Disorders (PDs) were traditionally viewed as static.
  • Previous analyses at the diagnostic category level may obscure individual trait development.
  • Understanding lifespan changes in PDs requires a more granular approach.

Purpose of the Study:

  • To investigate the fluidity and heterogeneity of Personality Disorder traits across the lifespan.
  • To examine developmental trajectories at the individual criteria level, rather than diagnostic categories.
  • To identify specific PD traits that change or remain stable with age.

Main Methods:

  • Administered the Personality Diagnostic Questionnaire-4+ (PDQ-4+) to a large sample of patients.
  • Included a wide age range of participants (15 to 82 years).
  • Analyzed changes in individual PD criteria over the lifespan.

Main Results:

  • Nine out of 12 PD categories showed some decline across the lifespan.
  • Analysis at the criteria level revealed significant divergence in trait evolution within categories.
  • 45 of 93 criteria decreased with age, while only seven increased, indicating heterogeneous developmental patterns.

Conclusions:

  • Personality Disorder pathology is more fluid and developmentally heterogeneous than previously believed.
  • Examining individual criteria provides a clearer understanding of age-related changes in PD traits.
  • Findings challenge the static view of PDs and highlight the importance of lifespan developmental perspectives.