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Marks, Katherine L.; Feaster, Taylor F.; Baker, Sarah; Díaz-Cádiz, Manuel E.; Doyle, Philip C.; Stepp, Cara E. – Journal of Speech, Language, and Hearing Research, 2022
Objective: Currently, no clinically feasible objective measures exist that are specific to the signs of adductor laryngeal dystonia (LD), deterring effective diagnosis and treatment. This project sought to establish concurrent validity of a new automated acoustic outcome measure, designed to be specific to adductor laryngeal dystonia (AdLD): the…
Descriptors: Voice Disorders, Clinical Diagnosis, Validity, Measures (Individuals)
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Espinoza, Víctor M.; Mehta, Daryush D.; Van Stan, Jarrad H.; Hillman, Robert E.; Zañartu, Matías – Journal of Speech, Language, and Hearing Research, 2020
Purpose: The purpose of this study was to determine whether estimates of glottal aerodynamic measures based on neck-surface vibration are comparable to those previously obtained using oral airflow and air pressure signals (Espinoza et al., 2017) in terms of discriminating patients with phonotraumatic and nonphonotraumatic vocal hyperfunction (PVH…
Descriptors: Females, Voice Disorders, Adults, Measures (Individuals)
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Welch, Brett; Helou, Leah B. – Journal of Speech, Language, and Hearing Research, 2022
Purpose: This study examines communicative congruence and communicative dysphoria in adults who deny having a voice disorder. Communicative congruence is the degree to which a person's communication is consistent with their sense of self/identity. Communicative dysphoria is the psychological entropy resulting from communicative incongruence. We…
Descriptors: Voice Disorders, Communication Disorders, Self Concept, Well Being
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Franca, Maria Claudia; Simpson, Kenneth O. – Communication Disorders Quarterly, 2013
The objective of this "pilot" investigation was to study the effects of the interaction of caffeine and water intake on voice as evidenced by acoustic and aerodynamic measures, to determine whether ingestion of 200 mg of caffeine and various levels of water intake have an impact on voice. The participants were 48 females ranging in age…
Descriptors: Adults, Water, Statistical Significance, Stimulants
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Watts, Christopher R.; Awan, Shaheen N.; Marler, Jeffrey A. – Clinical Linguistics & Phonetics, 2008
The human elastin gene (ELN) is responsible for the generation of elastic fibres in the extracellular matrix of connective tissue throughout the body, including the vocal folds. Individuals with Supravalvular aortic stenosis (SVAS) and Williams syndrome (WS) lack one normal ELN allele due to heterozygous ELN abnormalities, resulting in a…
Descriptors: Biomechanics, Acoustics, Genetics, Cytology
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Awan, Shaheen N.; Roy, Nelson – Clinical Linguistics & Phonetics, 2006
During assessment and management of individuals with voice disorders, clinicians routinely attempt to describe or quantify the severity of a patient's dysphonia. This investigation used acoustic measures derived from sustained vowel samples to predict dysphonia severity (as determined by auditory-perceptual ratings), for a diverse set of voice…
Descriptors: Severity (of Disability), Prediction, Multiple Regression Analysis, Acoustics