Communication Sciences and Disorders 4411A/B Lecture Notes - Lecture 13: Spasmodic Dysphonia, Vocal Fold Paresis, Recurrent Laryngeal Nerve
30 Dec 2015
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Document Summary
When voice is perceived by others as unusual and draws attention to the person who is speaking. Voice pitch, quality or loudness differs from that of people of same sex, age, geographic region or cultural background. Van riper definition of speech disorder deviates so fare from the speech of other people that it called attention to itself, interferes with communication, or causes speaker or listeners to be distressed. In adults o: more variable etiology and duration o. Dysphonias related to irregular opening and closing of vocal folds. Resonance problems related to irregularities in nasal, oral or pharyngeal cavities. Carcinoma, tumors, polyps, cysts, contact ulcers, nodules, trauma. Leads to changes in voice quality or aphonia o: due to abuse and misuse of voice, infections, irritants, acid reflux o. Small fibrous tissue along anterior, medial surface of vocal folds. Usually bilateral o o: due to persistent vocal misuse, irritation o. Lead to breathiness, hoarseness, low volume, low pitch.
