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Are multiple personalities borderline? An analysis of 33 cases
The Psychiatric Clinics of North America
|March 1, 1984
Summary
Borderline personality disorder frequently co-occurs with multiple personality disorder. However, this study confirms borderline personality disorder is not a universal feature, highlighting it as a distinct condition.
Area of Science:
- Psychiatry
- Psychology
- Mental Health
Background:
- Borderline personality disorder (BPD) and multiple personality disorder (MPD), now known as dissociative identity disorder (DID), are complex psychiatric conditions.
- Previous observations suggested a high comorbidity between BPD and DID.
Purpose of the Study:
- To investigate the precise relationship between borderline personality disorder and multiple personality disorder.
- To determine if BPD is a universal diagnostic criterion for MPD.
Main Methods:
- The study involved a detailed investigation of patients diagnosed with multiple personality disorder.
- Diagnostic criteria and clinical observations were used to assess the presence of borderline personality disorder.
Main Results:
- A significant positive relationship was observed between borderline personality disorder and multiple personality disorder.
- Borderline personality disorder was found to be highly prevalent in patients with multiple personality disorder.
- However, the presence of borderline personality disorder was not universal among all patients with multiple personality disorder.
Conclusions:
- Borderline personality disorder and multiple personality disorder are separate and distinct disorders.
- While frequently co-occurring, BPD is not an essential diagnostic feature of MPD/DID.