Kerstin Siewert

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The polyvagal theory (Porges, 2007) represents a biobehavioral model that relates autonomic functioning to self-regulation and social engagement. The aim of the two presented studies was to test the proposed association of cardiac vagal tone (CVT), assessed via resting high-frequency heart rate variability (respiratory sinus arrhythmia, RSA), with coping,(More)
BACKGROUND Self-regulatory executive function theory (Wells and Matthews, 1994; Wells, 2008) stresses the role of metacognitions in the development of emotional disorders. Within this metacognitive model, positive beliefs about ruminative thinking are thought to be a risk factor for engaging in rumination and subsequently for depression. However, most of(More)
In this study, we examined the relationship between discrepancies between desired and received support and subjective well-being, as indicated by negative affect and perceived stress, in daily life. Participants were 30 undergraduates who were equipped with hand-held computers for seven days. Results showed that underprovision of support predicted lower(More)
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