Spasmodic dysphonia: Difference between revisions
Created page with "'''Spasmodic Dysphonia''', also known as '''Spastic Dysphonia''', is a chronic neurological voice disorder characterized by involuntary spasms of the muscles of the larynx, or voice box. These spasms cause a person's voice to be interrupted during speech, resulting in a distinct and often debilitating change in voice quality. It is now understood to be a form of '''focal dystonia''', a type of neurological movement disorder that affects a specific muscle or group of mus..." |
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The disorder is classified into two primary types based on which laryngeal muscles are affected. | The disorder is classified into two primary types based on which laryngeal muscles are affected. | ||
== 1. Adductor Spasmodic Dysphonia (ADSD) == | |||
This is the most common form. It is caused by involuntary spasms of the '''adductor''' muscles, which are responsible for closing the vocal cords. | This is the most common form. It is caused by involuntary spasms of the '''adductor''' muscles, which are responsible for closing the vocal cords. | ||