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Master Thesis

Évaluation de la flexibilité cognitive dans le trouble obsessionnel compulsif : étude de la validité de deux auto-questionnaires comparés à une tâche expérimentale

Abstract : Obsessive-compulsive disorder (OCD) is characterized by obsessions (intrusive ideas) and compulsions (repetitive behaviours performed through rigid rituals). This phenomenological observation led to the exploration of the idea that OCD patients have a deficit of cognitive flexibility, i.e. their ability to adapt to environmental changes. However, the question of whether OCD is associated with a cognitive flexibility impairment remains unresolved with inconsistencies across studies. The use of scales developed to measure this cognitive dimension could positively contribute to the debate by allowing a simple and rapid measurement that can be easily administered to large numbers of patients, unlike experimental measurements. Thus, the objective was twofold: to adapt a french version of two scales measuring this dimension, the Cognitive Flexibility Scale (CFS) and the Cognitive Flexibility Inventory (CFI); to assess the psychometric properties of these scales in non-clinical populations (n = 488) and compare them to an experimental measure of cognitive flexibility, the reversal learning, in both a non-clinical (n = 110) and a clinical population (n = 40 OCD patients). The CFI and CFS have thus demonstrated good psychometric properties. However, although patients scored lower than healthy subjects on these scales, the latter failed to demonstrate good convergent validity with reversal learning, indicating a divergence in the measured constructs. In conclusion, these scales cannot replace experimental measures of cognitive flexibility.
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Master Thesis
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https://dumas.ccsd.cnrs.fr/dumas-02402664
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Submitted on : Tuesday, December 10, 2019 - 3:29:46 PM
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Nabil Benzina. Évaluation de la flexibilité cognitive dans le trouble obsessionnel compulsif : étude de la validité de deux auto-questionnaires comparés à une tâche expérimentale. Médecine humaine et pathologie. 2019. ⟨dumas-02402664⟩

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