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Devine, Erin E.; Bulleit, Erin E.; Hoffman, Matthew R.; McCulloch, Timothy M.; Jiang, Jack J. – Journal of Speech, Language, and Hearing Research, 2012
Purpose: To model tension asymmetry caused by superior laryngeal nerve paralysis (SLNP) in excised larynges and apply perturbation, nonlinear dynamic, and aerodynamic analyses. Method: SLNP was modeled in 8 excised larynges using sutures and weights to mimic cricothyroid (CT) muscle function. Weights were removed from one side to create tension…
Descriptors: Acoustics, Animals, Voice Disorders, Motor Reactions
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Krausert, Christopher R.; Ying, Di; Zhang, Yu; Jiang, Jack J. – Journal of Speech, Language, and Hearing Research, 2011
Purpose: Digital kymography and vocal fold curve fitting are blended with detailed symmetry analysis of kymograms to provide a comprehensive characterization of the vibratory properties of injured vocal folds. Method: Vocal fold vibration of 12 excised canine larynges was recorded under uninjured, unilaterally injured, and bilaterally injured…
Descriptors: Animals, Voice Disorders, Measurement Techniques