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Browsing by Subject "märehtiminen"

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  • Thibault, Maisa (2015)
    Depression is an affective disorder that causes low mood and feelings of guilt and hopelessness. Rumination is a persistent, negative and self-focused form of thinking. Rumination has been found to predict higher levels of depressive symptoms, but also the onset of depressive episodes. The connection between rumination and depression should be studied more in order to develop better methods for intervention The purpose of this study was to examine the associations between rumination, self-reflection and depression. The participants were recruited from the University of Helsinki by sending online questionnaires to the student associations' mailing-lists. Rumination was measured with the self-rumination scale, self-reflection with self-reflection scale and depression with BDI. 588 students answered the questionnaire (512 women). The second questionnaire was sent 18 months later to those who gave their email in the first data collection. 296 students answered the second questionnaire (266 women). Participants ranged in age from 18 to 60 years, with a mean of 27 years. Rumination was a relatively stable trait in the study. Changes in rumination appeared to be closely linked to changes in depressive symptoms. Those who were depressed in the second data point and those who were depressed in the first data point but not in the second one, ruminated more than those who had never been depressed. Rumination also predicted depression in the 18-month longitudinal study. Self-reflection was only weakly linked to depression. Rumination had an independent role in maintaining and predicting depression. Tendency to ruminate was still high after recovery in previously depressed participants. Focused interventions could help people with ruminative tendencies to get over depression and prevent depression.
  • Martikainen, Joni (2016)
    Depression is a phenomenon determined by multiple factors and it can be conceptualized both from psychological and physiological point of view. Psychological and physiological risk factors form a vulnerability that predispose to depression. The purpose of this study was to research the relationship between the psychological risk factors of depression and physiological stress reactivity. Cloninger's temperament trait harm-avoidance (Temperament and Character Inventory) and tendency for ruminative thinking (Self-rumination Scale) were used as psychological risk factors in this study. The physiological stress reactivity was measured by the individual differences in the heart rate variability. 58 women were invited to laboratory based on the earlier web-based study (n=588). In laboratory the women answer to self-report questionnaires and their EKG was measured under a stressful task. Study found a statistically significant association between psychological risk factors of depression and physiological stress reactivity. Psychological risk factors of depression constituted a whole that predicted physiological stress reactivity in a specific experimental setting in a statistically significant way. The results of this study can be used as a foundation for the development of more effective medical interventions and psychotherapies, and for the development of more specific categorization of depressive subcategories.