Causes of Voice Conditions

Voice impairment has many causes Approximately 17.9 million people in the United States have dysphonia, or trouble using their voices, according to the National Institutes of Deafness and Communication Disorders. Dysphonia…

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Diagnosis of SD

Progression from symptom onset to the diagnosis of spasmodic dysphonia People with spasmodic dysphonia initially notice either a gradual or sudden onset of difficulty in speaking. They may hear breaks…

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Published Research

Published research on spasmodic dysphonia and related voice conditions has accelerated over the last few years This page includes links to articles, literature, research papers and studies published in various…

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