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Personality patterns in subjects at risk for affective disorders
W Maier1, J Minges, D Lichtermann
1Department of Psychiatry, University of Mainz, Germany.
Psychopathology
|January 1, 1995
Summary
Familial links exist between personality traits and affective disorders. Enhanced neuroticism and dysthymic temperament are seen in relatives of those with depression, suggesting shared genetic vulnerabilities.
Area of Science:
- Psychiatry
- Genetics
- Psychology
Background:
- Family and epidemiological studies are crucial for understanding the etiology of affective disorders.
- Personality traits and temperament patterns may represent subthreshold expressions or risk factors for affective disorders.
Purpose of the Study:
- To investigate familial links between specific personality patterns and affective disorders.
- To explore the relationship between personality traits with varying degrees of symptomatic overlap and affective disorders.
Main Methods:
- Comparative analysis of personality features in first-degree relatives of probands with affective disorders versus control groups.
- Assessment of symptomatic overlap between personality traits and diagnostic criteria for unipolar and bipolar affective disorders.
Main Results:
- First-degree relatives of individuals with unipolar depression showed higher levels of dysthymic temperament and neuroticism.
- Relatives of individuals with bipolar disorder exhibited elevated dysthymic and cyclothymic temperaments, but not neuroticism.
- Obsessive-compulsive personality disorder traits and rigidity were also found to aggregate in families with affective disorders, indicating potential shared vulnerability factors.
Conclusions:
- Substantial symptomatic overlap suggests a potential unitary disease process where personality traits are minor variants of affective disorders.
- Limited symptomatic overlap may indicate underlying vulnerability factors predisposing to affective disorders.
- Further prospective and family genetic studies are needed to fully elucidate the complex relationship between personality, temperament, and affective syndromes.