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vocal tic

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vocal tic
n.
An involuntary, abrupt, and inappropriate grunt, bark, or other exclamation or utterance, occurring especially in Tourette's syndrome.

vocal tic
Phonic tic Neurology An involuntary sound produced by moving air through the nose, mouth, or throat; VTs include throat-clearing sounds and sniffing to grunts to verbalizations of syllables and words, utterances of inappropriate, undesired statements or obscenities or coprolalia Types Simple–single sounds–eg, throat clearing, barking, sniffing; complex–verbalizations–expression of words–eg, coprolalia, echolalia, palilalia–repeating of person's own words; VTs frequently change and vary in severity over time; remissions and exacerbations are common. See Tourette syndrome. Cf Motor tic.


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