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Master Thesis

Thérapie autour du verbe dans l’aphasie non-fluente : étude expérimentale en cas uniques

Abstract : Lexical disorders in aphasia affect the different grammatical classes. Many studies have focused on therapies based on the substantive but little on the verb, whereas it is more frequently disordered in aphasics (Mätzig et al., 2009). The verb plays a central role in any sentence and gives access to its grammatical structure. It also has the particularity of being closely linked to the argument structure on the semantic and syntactic level. Our study took the form of a single-case experimental design with multiple baseline. It aimed at evaluating the effects of a therapy training the verb and its arguments on the production of sentences as well as its transfer to speech. The therapy was provided to three patients with chronic nonfluent aphasia. The protocol took place over twelve weeks divided into three distinct stages – baseline, therapy, follow-up – during which repeated measurements were made weekly. Posttreatment was assessed immediately after stopping therapy and at ten weeks. The results show suggestive gains in the production of sentences generated from trained verbs for two out of three patients. The results also reveal a generalization effect for the production of sentences from untrained verbs for the three patients. In addition, increases in percentage of complete utterances and lexical diversity were observed on discourse for two patients. However, the results do not allow to conclude on the effect of the training of complex argument structures on the production of verbs of lesser complexity.
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Valérie Cantreau de Crémiers, Isabelle Davallet Sarfati. Thérapie autour du verbe dans l’aphasie non-fluente : étude expérimentale en cas uniques. Sciences cognitives. 2020. ⟨dumas-02948188⟩

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