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Pressure-flow data are often used to provide information about the adequacy of velopharyngeal valving for speech. However, there is limited information available concerning simultaneous pressure-flow measurements for oral and nasal sound segments produced by normal speakers. This study provides normative pressure, flow, and velopharyngeal orifice area(More)
The purpose of this study was to evaluate changes that occur in certain aspects of vocal resonance and nasalization following adenoidectomy. Fourteen normal children were assessed prior to adenoidectomy and then at one month, three months, and six months following surgery. A unique combination of aerodynamic, acoustic, and perceptual measures were made. The(More)
Fourteen children were seen prior to adenoidectomy and at 1 month, 3 months, and 6 months following surgery. On each visit, nasal airway resistance values, nasal cross-sectional area estimates, nasalance scores, and perceptual ratings of nasality were collected. These data were analyzed to identify changes that were related to the time of the test, and to(More)
This investigation was designed to evaluate the relationship between aerodynamic measures of velopharyngeal competence and laryngeal function in individuals with repaired cleft palate. Twenty-seven cleft lip and palate or cleft palate individuals, between the ages of 4 and 16 years, were evaluated in an ENT clinic for assessment of vocal function. A(More)
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