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[Objective criteria for the evaluation of the vocal function].

H J Schultz-Coulon

    Fortschritte Der Medizin
    |March 16, 1978
    PubMed
    Summary

    Objective vocal function evaluation is possible by measuring kinesthetic phonatory control. Singers demonstrate superior control compared to normal subjects and patients with dysphonia, indicating its diagnostic potential.

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    Area of Science:

    • Speech and Hearing Sciences
    • Neurology
    • Vocal Pedagogy

    Context:

    • Assessing vocal function objectively is challenging.
    • Kinesthetic phonatory control, the efficiency of the neuromuscular system, is proposed as a key indicator.
    • Understanding this relationship can improve diagnostic methods for voice disorders.

    Purpose:

    • To investigate the relationship between kinesthetic phonatory control and vocal function quality.
    • To determine if kinesthetic control can serve as an objective measure for vocal function.
    • To compare kinesthetic control across different vocal ability groups.

    Summary:

    • The study measured pitch and intensity changes during auditory feedback interruption in singers, normal subjects, and dysphonic patients.
    • Fundamental frequency analysis revealed significantly better kinesthetic control in singers compared to normal subjects and dysphonic patients.
    • Key evaluation criteria included pitch elevation under masking, singing accuracy without auditory feedback, and pitch perturbation width.

    Impact:

    • Kinesthetic phonatory control measurement offers a novel, objective method for evaluating vocal function.
    • This method can differentiate between individuals with varying vocal capabilities, aiding in diagnosis and treatment planning.
    • Findings have implications for voice training, clinical assessment of voice disorders, and speech pathology research.

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