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[PERSONALITY IN EUTHYMIC BIPOLAR PATIENTS AS MEASURED BY SELF-REPORT INSTRUMENTS]
Yamima Osher1, Yehudit Bloch2, Yuly Bersudsky1
1Beer Sheva Mental Health Center, Ministry of Health and Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva, Israel.
Harefuah
|July 25, 2019
Summary
Impulsivity, measured by the Barratt Impulsiveness Scale (BIS-11), shows promise as an endophenotype for bipolar disorder. Other personality traits like novelty seeking were not consistently linked to the condition in euthymic patients.
Area of Science:
- Psychiatry
- Psychology
- Genetics
Background:
- Bipolar disorder may have an endophenotype related to personality traits.
- Previous research indicated associations with neuroticism, harm avoidance, and novelty seeking.
- Distinguishing between personality state and trait in euthymic patients is crucial.
Purpose of the Study:
- To review empirical studies on personality traits as potential endophenotypes for bipolar disorder.
- To focus on studies using euthymic bipolar patients and healthy controls.
- To examine personality measures like the Temperament and Character Inventory (TCI), Revised NEO Personality Inventory, and Barratt Impulsiveness Scale (BIS-11).
Main Methods:
- Review of empirical studies meeting specific criteria.
- Inclusion of adequate samples of euthymic bipolar patients and healthy comparison subjects.
- Focus on self-report personality questionnaires: TCI, NEO PI-R, and BIS-11.
Main Results:
- No single personality dimension qualified as a definitive psychological marker for bipolar disorder.
- Earlier findings of higher novelty seeking were not replicated.
- Impulsivity, as measured by BIS-11, emerged as the most promising candidate for an endophenotype.
Conclusions:
- Impulsivity is a potential endophenotype for bipolar disorder.
- Further research is needed to validate impulsivity as a marker.
- Personality traits require careful assessment in euthymic individuals to understand their role in bipolar disorder.
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