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In this study, the frequency of occurrence of speech and voice symptoms in 200 Parkinson patients was defined by two expert listeners from high-fidelity tape recordings of conversational speech samples and readings of the sentence version of the Fisher-Logemann Test of Articulation Competence. Specific phonemes that were misarticulated were catalogued.(More)
In a study of vocal tract and esophageal function during speech and swallowing, unmedicated Parkinson patients were found to have specific disorders in oral and esophageal stages of deglutition and a predictable sequence of deterioration in speech. To determine whether these disorders are exclusive to parkinsonism or are typical of all patients with tremor(More)