Es la dificultad para hablar debido a la contracción (distonÃa) continua o repetitiva de los músculos que controlan las cuerdas vocales.
La actividad excesiva de los músculos de las cuerdas vocales lleva a que dichas cuerdas queden demasiado cerca o demasiado separadas, ocasionando ya sea un sonido ronco (conocido como disfonÃa del aductor) o una voz de susurro de alta intensidad (disfonÃa de abductor), respectivamente.
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