Related Experiment Videos
A respirometric technique for evaluating velopharyngeal closure in children
Journal of Speech and Hearing Research
|September 1, 1982
Summary
Respirometric quotients, measuring velopharyngeal closure in children, were lower for nasal sounds than nonnasal sounds. These speech-related findings approached, but did not exceed, unity.
Area of Science:
- Speech-language pathology
- Pediatric audiology
- Physiological acoustics
Background:
- Velopharyngeal closure is crucial for speech production.
- Accurate measurement of velopharyngeal function is essential for diagnosing speech disorders.
Purpose of the Study:
- To determine respirometric quotients in children aged 6-10 years.
- To investigate the relationship between speech sounds and velopharyngeal closure efficiency.
Main Methods:
- Simultaneous measurement of oral and nasal air volumes during speech tasks.
- Calculation of respirometric quotients as an index of velopharyngeal closure.
Main Results:
- Respirometric quotients were significantly lower for speech stimuli involving nasal sounds compared to nonnasal sounds.
- The obtained quotients were close to unity, differing from some previous research in children.
Conclusions:
- Speech sound type influences velopharyngeal closure efficiency in children.
- Respirometric quotients provide a valuable, quantifiable measure of velopharyngeal function in pediatric populations.