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Conducting a Comprehensive Voice Assessment in Parkinson’s Disease - page 9 / 22

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Instrumentation  vs. perceptual Evaluation

Instrumentation is often not necessary but can be useful in planning voice treatment; documenting and quantifying data

I.     Strobovideolaryngoscopy    

         –       Within scope of SLP – helps identify subtle changes in    

                vibratory patterns of vocal folds  

II.    Videoendoscopy     

         --      Assesses in study of vocal tract anatomy and physiology  

III.   Videostroboscopy

        --    Helps analyze abnormal mucosal wave         

IV. Laryngostroboscope

                 - Precise evaluation of larynx & vocal fold movement and    

                    subtle changes in mucosa function

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