Search for dissertations about: "vocal nodules"

Found 4 swedish dissertations containing the words vocal nodules.

  1. 1. Hoarseness in ten-year-old children : perceptual characteristics, prevalence and etiology

    Author : Elisabeth Sederholm; Karolinska Institutet; Karolinska Institutet; []
    Keywords : Child voice; hoarseness; perceptual analysis; voice quality; visual analog scales; connected speech; sustained vowels; prevalence; acute hoarseness; chronic hoarseness; videolaryngoscopy; stroboscopy; incomplete glottal closure; vocal nodules; voice;

    Abstract : The aim of the present investigation was to explore the occurrence of and factors related to hoarseness in ten- year-old children. In order to establish the prevalence of hoarseness in a group of normal children, a method to distinguish atypical from normal voices was introduced and the perceptual characteristics of hoarseness were identified. READ MORE

  2. 2. Breathing and phonation : effects of lung volume and breathing behaviour on voice function

    Author : Jenny Iwarsson; Karolinska Institutet; Karolinska Institutet; []
    Keywords : Abduction; Adduction; Breathing; Flow glottogram; Inhalation; Lung volume; Perceptual analysis; Phonation; Posture; Speech lung volume; Speech task; Subglottal pressure; Tracheal pull; Vertical laryngeal position; Vocal fold nodules; Voice source;

    Abstract : Respiration is believed to play a central role in voice function and is thus of relevance to the clinical care of the disordered voice. The overall aim of the present study was to experimentally investigate relationships between the respiratory and phonatory systems. READ MORE

  3. 3. Acoustic, perceptual and physiological studies of ten-year-old children's voices

    Author : Anita McAllister; Karolinska Institutet; Karolinska Institutet; []
    Keywords : Child voice; hoarseness; perceptual evaluation; voice characteristics; visual analog scales; voice range profiles; fundamental frequency range; dynamic range; glottal closure; stroboscopy; vocal nodules; register transitions; subglottal pressure; SPL;

    Abstract : The aim of the present investigation was to study hoarseness and its perceptual, acoustic and physiological characteristics in ten-year-old children's voices. Fifty-eight children's voices were perceptually evaluated along 15 voice parameters. READ MORE

  4. 4. The female voice in vocally demanding professions : field studies using portable voice accumulators

    Author : Annika Szabo Portela; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Objectives: Methods to register voice use outside the voice clinic, at work, are important for assessment of work-related voice disorders. Such methods must be reliable and valid and at the same time practical and easy to handle. READ MORE