La perception du rythme chez les personnes bègues

Authors: Plamondon, Mathieu
Advisor: Grondin, Simon
Abstract: This study assesses the effect of a speech disorder, namely stuttering, on the ability to maintain a steady rhythm. The performance of a group of adult stutterers (n = 21) is compared to that of a group of adult non-stutterers (n = 24) during explicit counting activities. There are three counting paces (every 800 ms, 1200 ms or 1600 ms) and three experimental conditions (count silently, count orally and count orally in the presence of an assistant). The results for temporal variability show lower performance (higher Weber ratio) when participants count silently and when they have to deal with very long intervals (1600 ms). There is no main effect of group, but the interaction between the experimental condition, the counting pace and the group is significant. Adult non-stutterers are better than adult stutterers in the silent and long time-interval condition (1600 ms). This finding could be interpreted as an indication of a greater limitation in memory for temporal information in people who stutter. Finally, the experiment shows that adult stutterers have a significantly higher situational anxiety score than adult non-stutterers. This result is consistent with the scientific literature indicating the high level of anxiety experienced by people who stutter.
Document Type: Mémoire de maîtrise
Issue Date: 2019
Open Access Date: 20 March 2019
Permalink: http://hdl.handle.net/20.500.11794/34055
Grantor: Université Laval
Collection:Thèses et mémoires

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