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CONNECT WITH PEOPLE WHO UNDERSTAND WHAT YOU ARE GOING THROUGH No one understands what you are going through better than someone who also lives with a voice disorder. Most people…

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Diagnosis of Spasmodic Dysphonia

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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Vocal Cord Paralysis

About Vocal Cord Paralysis Vocal Cord Paralysis (VCP) is impaired movement of the vocal cords caused by an injury to the vagus or recurrent laryngeal nerves that are critical to…

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Muscle Tension Dysphonia

Muscle Tension Dysphonia is different from spasmodic dysphonia but a person can have both conditions Muscle tension dysphonia (MTD) is a condition of extra vocal work and strain. Most of…

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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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Research Funding

APPLY FOR RESEARCH GRANT Research seed grants play a vital role in fostering research and expanding knowledge about spasmodic dysphonia (SD) and related voice conditions. These grants enable investigators to…

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Participate in Research

Opportunities to participate in research to find answers for voice disorders Researchers need you! By participating in clinical research trials you are helping us to learn more about the cause…

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Diagnosing Spasmodic Dysphonia

Diagnosing Spasmodic Dysphonia Spasmodic dysphonia (SD) can be difficult to diagnose because the anatomy of the larynx remains normal. SD has no objective pathology that is evident through x-rays or…

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