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Disfluences dans le vieillissement "normal" et la maladie d'Alzheimer : indices segmentaux, suprasegmentaux et gestuels

Abstract : The aim of the study is to analyze and compare multimodal language productions by 10 persons with Alzheimer's disease (AD) matched to 10 controls. First, different measures at the segmental and suprasegmental levels – errors, pauses and vocalic lengthenings – have been conducted in a repetition task with or without imposed gestures to characterize a disfluency, typical of AD, and then observed in link with the production of manual gestures. Results show a significant diminution of the AD participants' fluency: more lexical errors were obtained by the patient group and at the phonetic level among patients with moderate cognitive impairment, as well as numerous silent pauses often preceding or following the production of errors at the segmental level. Moreover, a significant augmentation of suprasegmental disfluencies and phonetic errors is observed in the task with imposed gestures impacting controls and patients' fluency.
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https://hal.archives-ouvertes.fr/hal-01358197
Contributor : Diane Caussade <>
Submitted on : Thursday, September 1, 2016 - 12:20:08 PM
Last modification on : Wednesday, October 14, 2020 - 3:51:38 AM
Long-term archiving on: : Friday, December 2, 2016 - 3:08:50 PM

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Diane Caussade, Nathalie Vallée, Nathalie Henrich Bernardoni, Jean-Marc Colletta, Silvain Gerber, et al.. Disfluences dans le vieillissement "normal" et la maladie d'Alzheimer : indices segmentaux, suprasegmentaux et gestuels. 31e Journées d'Études sur la Parole (JEP-TALN-RECITAL 2016), Jul 2016, Paris, France. pp.182-190. ⟨hal-01358197⟩

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