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Speech rate according to stuttering severity.

Cláudia Fassin Arcuri¹, Ellen Osborn, Ana Maria Schiefer

¹Departamento de Fonoaudiologia, Escola Paulista de Medicina, Universidade Federal de São Paulo. clauarcuri@gmail.com

Pro-Fono : Revista De Atualizacao Cientifica

|April 11, 2009

Summary

This summary is machine-generated.

Individuals with severe stuttering speak slower than those with mild or moderate stuttering. This difference in speech rate is linked to motor programming difficulties affecting speech rhythm and timing.

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Area of Science:

Speech-language pathology
Acoustic phonetics
Neurolinguistics

Background:

Speech duration is crucial for understanding rhythm and speech rate.
Stutterers exhibit distinct speech patterns compared to non-stutterers, often due to motor control timing issues.

Purpose of the Study:

To investigate the relationship between stuttering severity and speech rate.
To compare speech rates across different levels of stuttering severity.

Main Methods:

Adult stutterers (n=6) were categorized by stuttering severity (mild, moderate, severe).
Participants repeated carrier phrases containing target words.
Speech rate was calculated using vowel-vowel segment duration analysis with Praat software and statistically analyzed using ANOVA.

Main Results:

Mild/moderate stuttering groups exhibited higher, similar speech rates.
Severe stuttering group showed a statistically significant lower speech rate.
Higher stuttering severity correlated with lower speech rate, suggesting motor programming challenges.

Conclusions:

Fluent speech rate during repetition tasks can distinguish individuals based on stuttering severity.
Speech rate differences may reflect underlying motor programming and timing deficits in stuttering.