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Bipolar II disorder and its premorbid personality
1Department of Neurology and Psychiatry, Gifu University School of Medicine, Gifu, Japan. takata@mail.wbs.ne.jp
Psychopathology
|March 8, 2000
Summary
Individuals with bipolar II disorder often exhibit a premorbid dependent personality tendency. This tendency, when combined with other personality types and weakened defenses, can contribute to atypical bipolar II symptoms, necessitating psychotherapy.
Area of Science:
- Psychiatry
- Psychology
Background:
- This study investigates premorbid personality differences between bipolar II disorder and unipolar depression.
- It utilizes Cloninger's tridimensional personality theory for analysis.
Observation:
- Evaluated 14 inpatients with bipolar II disorder and 14 with unipolar depression.
- Focused on psychopathologically analyzing and comparing premorbid personalities.
Findings:
- Bipolar II disorder is associated with a 'reward-dependent, passive-avoidant/dependent tendency of personality'.
- Atypical bipolar II symptoms arise from this tendency mingling with melancholic or cycloid personality types, especially when obsessional defenses weaken syntony.
Implications:
- Understanding premorbid personality aids in diagnosing and treating bipolar II disorder.
- Psychotherapy addressing interpersonal conflicts is crucial alongside mood stabilizers for effective management.