An investigation of the biosocial model of borderline personality disorder

Duncan Gill*, Wayne Warburton

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    11 Citations (Scopus)

    Abstract

    Objectives: We sought to test the Biosocial Theory of borderline personality disorder (BPD) that posits that borderline traits are due to emotional dysregulation, caused by the interaction between childhood emotional vulnerability and invaliding parenting. Method: A total of 250 adults (76% female, median age = 32.06 years) from a nonclinical population completed self-report measures assessing current levels of borderline traits and emotional dysregulation. They also completed retrospective measures of childhood emotional vulnerability and parental invalidation. Results: Invalidating parenting and emotional vulnerability independently predicted emotion dysregulation, but an interaction effect was not found. Having experienced validating parenting was found to be a protective factor for developing borderline traits but was not significantly related to emotional dysregulation. Conclusion: Data in this sample did not support the underlying genesis of BPD proposed by the Biosocial Theory and a model that more parsimoniously explains the development of BPD is proposed.

    Original languageEnglish
    Pages (from-to)866-873
    Number of pages8
    JournalJournal of Clinical Psychology
    Volume70
    Issue number9
    DOIs
    Publication statusPublished - Sep 2014

    Keywords

    • Biosocial theory
    • Borderline personality disorder
    • DBT
    • Emotional dysregulation
    • Invalidating parenting

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