Examines nasal airflow characteristics and motor performance in Parkinson's Disease, suggesting implications for symptom management.
Velopharyngeal dysfunction in PD was more pronounced during rapid motor sequences (stop consonant bursts) than vowel production and showed dynamic motor deterioration under increasing vocal intensities. The intensity-airflow relationship observed in PD suggests compromised velopharyngeal closure during higher vocal demands. Measures of velopharyngeal dysfunction may be useful markers of axial motor symptom severity, which has a large impact on quality of life and prognosis in people with PD.
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Vojtech et al. (2026) studied this question.
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