Comparison of vocal problems of 50 female aerobic instructors and 50 female aerobic participants by means of questionnaires found that aerobic instructors generally experienced more hoarseness and episodes of voice loss during and after instructing and exhibited a significantly higher prevalence of nodules. (Author/DB)

Acoustic phonatory events were identified in 14 women diagnosed with adductor spasmodic dysphonia (ADSD), a focal laryngeal dystonia that disturbs phonatory function, and compared with those of 14 age-matched women with no vocal dysfunction. Findings indicated ADSD subjects produced more aberrant acoustic events than controls during tasks of…

Vowels produced by four deaf women were analyzed spectrographically to study acoustic correlates of vocal tract deformation. Formant structure evaluated on isovowel lines disclosed consistent neutralization of vowels, which is attributed to observed restricted horizontal movements of the tongue within the oral and pharyngeal cavities. (Author/JDD)