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Mood fluctuations in people putatively at risk for bipolar disorders
- Authors:
- HOFMANN Beate U., MEYER Thomas D.
- Journal article citation:
- British Journal of Clinical Psychology, 45(1), March 2006, pp.105-110.
- Publisher:
- Wiley
The dysregulation of the Behavioural Activation System (BAS) is discussed as a vulnerability marker for bipolar disorders, resulting in fluctuations of activity and mood. People putatively at risk for bipolar disorders (BD) should therefore show mood fluctuations. Using the `Hypomanic Personality Scale' (HPS) three groups of young adults with high (N=17), medium (N=19), and low scores (N=18) were selected and completed a 28-day diary including CES-D and PANAS. People at risk for bipolar disorders exhibited high levels of manic symptoms, positive and negative affect. They also generally reported more mood instability. The results support the hypothesis that fluctuations of mood and symptoms might be a core characteristic of the hypothesized vulnerability for BD. These fluctuations of mood were, however, not restricted to positive affect as a dysregulation of the BAS would suggest.
Are measures of hypomanic personality, impulsive nonconformity and rigidity predictors of bipolar symptoms?
- Authors:
- BLECHERT Jens, MEYER Thomas D.
- Journal article citation:
- British Journal of Clinical Psychology, 44(1), March 2005, pp.15-27.
- Publisher:
- Wiley
It has been suggested that temperaments such as 'hypomanic personality' (HYP) have an explanatory role in affective disorders. Similarly, the impulsive nonconformity scale, originally designed to assess psychosis proneness, was recently found to augment the prediction of manic episodes. Conversely, research indicates that 'rigidity', a central feature of Typus Melancholicus (TMEL) may characterize the premorbid personality of depressives. The present study combines these three scales to prospectively predict manic and depressive symptoms diagnosed 2 years later in a non-college student population. Structured clinical interviews for DSM-IV were conducted with 114 individuals (60% female, mean age = 19 . 9 years), 2 years after an initial screening. It was found that none of the predictors predicted purely depressive symptoms. As expected, HYP emerged as the strongest predictor of (hypo-) manic symptoms. While rigidity did not predict depression, people with a hypomanic temperament are at risk of developing symptoms of bipolar disorder, especially (hypo-)manic ones. It is noteworthy that this was evident in our young sample, still in the earlier stages of the high-risk period.