Hamed Ghaemi

Bahar Institute of Higher Education, Mashhad, Iran.

[ 1 ] - Investigating the relationship between the Dysphonia Severity Index (DSI) and the speech and voice severity of Parkinson disease patients

   Objectives: The present study aimed at investigating the relationship between Dysphonia Severity Index (DSI) and disease speech and voice severity of Parkinson disease (PD) patients. Method. This study was a cross-sectional ones, carried out on 45 PD patients with the age range of 50 to 75 years, who were randomly selected. The Hoehn and Yahr Scale (H.Y Scale) was employed to measure the le...