Bipolar Disorder and Personality Traits
Author Information
Author(s): Harley James A., Wells J. Elisabeth, Frampton Christopher M. A., Joyce Peter R.
Primary Institution: University of Otago Christchurch
Hypothesis
Are there significant differences in personality traits between individuals with bipolar disorder and those with major depressive disorder?
Conclusion
Individuals with bipolar disorder exhibit higher self-transcendence compared to those with major depressive disorder and unaffected relatives.
Supporting Evidence
- Both bipolar disorder groups had higher harm avoidance than unaffected relatives.
- Bipolar I individuals had higher self-transcendence than those with major depressive disorder.
- High harm avoidance is linked to susceptibility to mood disorders.
Takeaway
People with bipolar disorder tend to be more spiritually open than those with major depression, while both groups are more anxious than people without mood disorders.
Methodology
Participants completed the TCI-R questionnaire and were assessed for psychiatric diagnoses using the DIGS.
Potential Biases
Potential bias due to self-reported mood states affecting personality assessments.
Limitations
The study did not correct for multiple testing and included a relatively small number of bipolar type 2 participants.
Participant Demographics
277 individuals including 65 bipolar probands (50 BP1 and 15 BP2), 134 first-degree relatives, 70 other blood relatives, and 8 spouses.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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