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McKenna, Victoria S.; Hylkema, Jennifer A.; Tardif, Monique C.; Stepp, Cara E. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: This study examined vocal hyperfunction (VH) using voice onset time (VOT). We hypothesized that speakers with VH would produce shorter VOTs, indicating increased laryngeal tension, and more variable VOTs, indicating disordered vocal motor control. Method: We enrolled 32 adult women with VH (aged 20-74 years) and 32 age- and sex-matched…
Descriptors: Voice Disorders, Correlation, Psychomotor Skills, Vowels
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Murray, Elizabeth S. Heller; Segina, Roxanne K.; Woodnorth, Geralyn Harvey; Stepp, Cara E. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: Relative fundamental frequency (RFF) is an acoustic measure that is sensitive to functional voice differences in adults. The aim of the current study was to evaluate RFF in children, as there are known structural and functional differences between the pediatric and adult vocal mechanisms. Method: RFF was analyzed in 28 children with vocal…
Descriptors: Acoustics, Measurement, Children, Evaluation Methods
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Stepp, Cara E.; Lester-Smith, Rosemary A.; Abur, Defne; Daliri, Ayoub; Noordzij, J. Pieter; Lupiani, Ashling A. – Journal of Speech, Language, and Hearing Research, 2017
Purpose: The vocal auditory-motor control of individuals with hyperfunctional voice disorders was examined using a sensorimotor adaptation paradigm. Method: Nine individuals with hyperfunctional voice disorders and 9 individuals with typical voices produced sustained vowels over 160 trials in 2 separate conditions: (a) while experiencing gradual…
Descriptors: Evidence, Voice Disorders, Motor Development, Auditory Tests