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Bilinguisme et bégaiement : études phonétiques des disfluences présentes dans la parole de locuteurs mina/français

Abstract : The objective of this thesis is to study the phonetic characteristics of sounds on which there are speech dysfluencies of bilingual people with stuttering.To achieve this research, several collections and analyzes of data were carried out. A total of 11 bilingual Mina-French speakers, who stuttered, were recorded in Lomé (Togo). These recordings allowed us to study i-the speech dysfluencies rates for the phonetic features of the dysfluent sound and ii-the phonetic environment of these same dysfluent sound. Nasofibroscopic data were also used to observe events occurring at the laryngeal level during some dysfluencies. An EMA study has been done to observe the movements of the articulatory during typical dysfluencies of stuttering.In general, our results show higher rates of the speech dysfluency in French than in mina. The study of the phonetic features that give rise to the most accidents in speech, shows that unvoiced consonants, nasal vowels and anterior vowels are significantly more stammered. Observation of the phonetic environment of the speech dysfluencies shows that unvoiced dysfluency sounds are generally present in a voiced environment. In addition, data on the larynx notably reveal the presence of inappropriate movements of openings and closings of the glottis during the speech dysfluent sequences including an unvoiced consonant. Finally, the EMA data acquired on a bilingual speaker show that in articulatory terms, the speech dysfluencies are comparable in the two languages.Keywords: stuttering, speech dysfluence, mina, french, bilingualism
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Dodji Gbedahou. Bilinguisme et bégaiement : études phonétiques des disfluences présentes dans la parole de locuteurs mina/français. Linguistique. Université Paul Valéry - Montpellier III, 2020. Français. ⟨NNT : 2020MON30066⟩. ⟨tel-03333710⟩

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