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Direct linkToles, Laura E.; Seidman, Ariana Y.; Hillman, Robert E.; Mehta, Daryush D. – Journal of Speech, Language, and Hearing Research, 2022
Purpose: This study aimed to determine whether a simplified, and potentially more stable, acoustic-aerodynamic voice outcome ratio (ratio of sound pressure level [SPL] to subglottal pressure) is comparable to a traditional vocal efficiency measure (ratio of acoustic power to the product of average subglottal pressure and average phonatory airflow)…
Descriptors: Voice Disorders, Surgery, Trauma, Human Body
Van Stan, Jarrad H.; Ortiz, Andrew J.; Cortes, Juan P.; Marks, Katherine L.; Toles, Laura E.; Mehta, Daryush D.; Burns, James A.; Hron, Tiffiny; Stadelman-Cohen, Tara; Krusemark, Carol; Muise, Jason; Fox-Galalis, Annie B.; Nudelman, Charles; Zeitels, Steven; Hillman, Robert E. – Journal of Speech, Language, and Hearing Research, 2021
Purpose: The purpose of this study was to obtain a more comprehensive understanding of the pathophysiology and impact on daily voice use of nonphonotraumatic vocal hyperfunction (NPVH). Method: An ambulatory voice monitor collected 1 week of data from 36 patients with NPVH and 36 vocally healthy matched controls. A subset of 11 patients with NPVH…
Descriptors: Pathology, Physiology, Voice Disorders, Patients
Pierce, Jenny L.; Tanner, Kristine; Merrill, Ray M.; Shnowske, Lauren; Roy, Nelson – Journal of Speech, Language, and Hearing Research, 2021
Purpose: The aims of this study were: (1) to quantify variability in voice production (as measured acoustically) within and across consecutive days in vocally healthy female speakers; (2) to identify which acoustic measures are sensitive to this variability; and (3) to identify participant characteristics related to such voice variability. Method:…
Descriptors: Females, Acoustics, Individual Characteristics, Age Differences
Ziegler, Aaron; Van Swearingen Jessie; Jakicic, John M.; Abbott, Katherine Verdolini – Journal of Speech, Language, and Hearing Research, 2019
Purpose: This study investigated whether metabolic respiratory requirements (treadmill workload) affected glottal valving in phonation, based on aerodynamic measures, when a sound pressure level (vocal SPL) is dictated as a target goal. Consistent with a theory of action, we hypothesized that adjustments in glottal valving as measured by laryngeal…
Descriptors: Metabolism, Physical Activities, Exercise, Human Body
Espinoza, Victor M.; Zañartu, Matías; Van Stan, Jarrad H.; Mehta, Daryush D.; Hillman, Robert E. – Journal of Speech, Language, and Hearing Research, 2017
Purpose: The purpose of this study was to determine the validity of preliminary reports showing that glottal aerodynamic measures can identify pathophysiological phonatory mechanisms for phonotraumatic and nonphonotraumatic vocal hyperfunction, which are each distinctly different from normal vocal function. Method: Glottal aerodynamic measures…
Descriptors: Females, Voice Disorders, Control Groups, Experimental Groups
Kumar, Suman; Basu, Shriya; Sinha, Anisha; Chatterjee, Indranil – Communication Disorders Quarterly, 2012
The purpose of this study was to analyze resonance characteristics (nasality and nasalance values) during the menstrual cycle. Previous studies indicate changes in voice quality and nasal mucosa due to temporary falling estrogen levels in human females during their menstrual cycle. The present study compared the nasality and "nasalance scores"…
Descriptors: Females, Physiology, Voice Disorders, College Students
