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Year : 2018  |  Volume : 13  |  Issue : 3  |  Page : 140-142

Analysis of diadochokinesis in persons with Parkinson's disease

1 Department of ENT, Father Muller College of Speech and Hearing, Mangalore, Karnataka, India
2 Department of ENT, Himalayan Institute of Medical Sciences, Dehradun, Uttarakhand, India

Correspondence Address:
Dr. Santosh Kumar
Father Muller College of Speech and Hearing, Kankanady, Mangalore - 575 002, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jdmimsu.jdmimsu_66_18

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Background: Parkinson's disease (PD) is a chronic and progressive disorder of movements of body parts which affect muscles of face, mouth, and throat. This can lead to affect the speech production in various aspects such as changes in voice, difficulty in forming sounds, and slow speech rate. Diadochokinetic (DDK) rate is the most common measures to see the speech production in persons with PD. Methods: This study was carried out on seven persons with PD with the control of medications and compared with the age- and gender-matched control group. Speech sample of DDK (alternating motion rate and sequential motion rate) was recorded in quiet environment. All the participants were instructed to produce syllable with rapid rate in a single breath. PRAAT software was used for the analysis of speech rate. Result and Conclusion: DDK rate was lower in PD group compared to control group. This could be due to limited muscle control and movements of lips and tongue.

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