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Les Pensées Répétitives dans la Fibromyalgie : impact de la rumination sur les dimensions émotionnelles et cognitives de la fibromyalgie

Abstract : The aim of this thesis is to explore the role of repetitive negative thoughts (RNT) in the development and maintenance of pain and negative emotions in fibromyalgia. We think that studying negative repetitive thoughts may provide us with a better understanding of the psychiatric comorbidity of fibromyalgia. For this, we relied on a model of repetitive thoughts in chronic pain.In order to test part of this model in fibromyalgia, we conducted three studies. In our first study, we wanted to replicate with fibromyalgia patients the results obtained for other non-painful clinical populations which have demonstrated the links between repetitive negative thoughts and different psychopathologies. In a second study, we questioned the indirect link between RNT and pain through attentional processes. Finally, in our third study, we were interested in the hypothesis of a causal link between repetitive thoughts and pain.We have shown that high levels of negative repetitive thinking link pain-related disability with anxiety and depression in fibromyalgia. We have also demonstrated a link between a high tendency to negative repetitive thoughts and attentional mechanisms in fibromyalgia. Finally, we have shown that repetitive negative thoughts maintain pain by prolonging its duration.These results support the interest in considering repetitive thoughts as a transdiagnostic process participating in the maintenance of Fibromyalgia and its psychiatric comorbidities. We discuss these results from a theoretical and clinical perspective.
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Jérémy Fonseca das Neves. Les Pensées Répétitives dans la Fibromyalgie : impact de la rumination sur les dimensions émotionnelles et cognitives de la fibromyalgie. Psychologie. Université de Lille, 2020. Français. ⟨NNT : 2020LILUH049⟩. ⟨tel-03271248⟩

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