Spasmodic Dysphonia: A Peculiar Voice Disorder
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Dr. Robert Bastian reviews the various types and subtypes of a rare neurological voice disorder called spasmodic dysphonia--SD. Numerous voice examples are included, along with video of the vocal folds.
Spasmodic dysphonia (SD) is a rare neurological disorder caused by laryngeal dystonia, and it interferes with the smooth functioning of the voice. Tiny spasms of the vocal folds may cause the voice to catch or cut out, strain or squeeze away, and sometimes to drop momentarily to a whisper. Those watching this tape will hear examples of the many types of SD.
http://www.bastianvoice.com
Added on Sep 26, 2009 by VOAdmin
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