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Velopharyngeal function and dysfunction.

¹Department of Otolaryngology/Speech Pathology, Riley Hospital, Indianapolis, IN 46202-5230.

Clinics in Communication Disorders

|January 1, 1991

Summary

This summary is machine-generated.

Velopharyngeal dysfunction affects speech by altering oral-nasal balance, leading to nasalization. Treatment for velopharyngeal dysfunction depends on individual structural and motor speech characteristics.

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Area of Science:

Speech-language pathology
Otolaryngology
Physiology

Background:

Velopharyngeal function is crucial for oral-nasal balance in speech.
Disordered nasalization and velopharyngeal dysfunction (VPD) impact speech intelligibility.
Understanding VPD is key for effective speech management.

Purpose of the Study:

To summarize key concepts of velopharyngeal function.
To outline the causes and manifestations of velopharyngeal dysfunction.
To discuss treatment principles for velopharyngeal dysfunction.

Main Methods:

Conceptual review of velopharyngeal function.
Analysis of speech production mechanisms.
Categorization of velopharyngeal dysfunction characteristics.

Main Results:

Overall speech articulatory system influences nasalized speech production.
VPD stems from structural or motor limitations in the velopharyngeal mechanism.
VPD presents acoustically (nasality) and/or aerodynamically (nasal emission).

Conclusions:

Treatment for VPD must be individualized.
Treatment decisions should consider the patient's velopharyngeal structure and speech motor skills.
A comprehensive approach is necessary for managing velopharyngeal dysfunction.