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Lookup NU author(s): Professor Paul Carding,
Emerita Professor Janet Wilson
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The aim of this study was to determine the relationship between glottic space and breathy voice. Using a new computerized method of analysing the glottic area of video images with the Vocim computer system, 16 patients with a vocal cord palsy and 31 with non-organic dysphonia were examined. The quality of the breathy voice was assessed and correlated with the size of the glottic space during phonation. There was a positive (r = 0.70) correlation between glottic area and breathy voice in vocal cord palsy. There was no correlation (r = 0.002) in non-organic dysphonia. Therefore in this study population, for vocal cord palsy, glottic area is the dominant feature in determining voice quality. This relationship is not maintained in non-organic dysphonia.
Author(s): Jeannon J, Carding P, Wilson J
Publication type: Note
Publication status: Published
Journal: Clinical Otolaryngology and Allied Sciences
Print publication date: 01/01/1998
ISSN (print): 0307-7772
ISSN (electronic): 1749-4486
PubMed id: 9762499