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Conducting a Comprehensive Voice Assessment in Parkinson’s Disease - page 18 / 22

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ASSESSING RESONANCE

Hypo nasality   

Cause

 - Talking through the nose due to inadequate closing off nasal cavity

 - Allowing air to leak in creating nasal quality on all consonants rather than nasal sounds [ n, m, ng]

 - Can be result of reduced movement of soft palate/velum

Task

         1) Read word list or passage with/m/, /n/, and /ing / words.

         2) Compress and release nostrils as patient reads or “hums”

         3) Listen for hypo nasality inability clearly indicates hyper nasality.

Hyper nasality -   A typical in PD; however when occurring it can be severe  

TASK

            1) Alternate sustained /i/ and /u/.

            2) Compress (pinch) and release nostrils.

            3) If velopharyngeal closure is adequate, no alterations perceived  

                in vowel quality.

            4) If poor velopharyngeal closure, flutter-like sound is heard

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