Spasmodic dysphonia

A benign neurological voice disorder caused by [intlink id=”267″ type=”post”]laryngeal dystonia[/intlink]. Abductory SD interferes with smooth flow of the voice by choking off the sound of the voice. During running speech, [intlink id=”14″ type=”post”]abductory SD[/intlink], by contrast, causes the voice to momentarily drop off to a whisper. Also called [intlink id=”249″ type=”post”]intermittent whisper phonation[/intlink]. Comprises about 10% of cases of [intlink id=”512″ type=”post”]spasmodic dysphonia[/intlink].

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