What is it about?

Two studies were designed to compare maximum phonation tasks and maximum syllable repetition tasks with speech tasks for their between- and within-subject variability. The results challenge the assumption that maximum phonation time and maximum syllable repetition rate are valid measures of speech impairment.

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Why is it important?

Because maximum performace measures, such as maximum phonation time or maximum syllable repetition rate, are widely used in clinical assessments of neurogenic speech impairment, although the motor requirements of such tasks differ substantially from those of spoken language production.


Maximum performance parameters should not be used as measures of neurogenic speech impairment as long as their validity has not be proven.

Prof. Wolfram Ziegler
University of Munich

Read the Original

This page is a summary of: Higher-Faster-Farther: Maximum Performance Tests in the Assessment of Neurogenic Speech Impairment, Folia Phoniatrica et Logopaedica, May 2019, Karger Publishers, DOI: 10.1159/000495784.
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