International Journal of Speech and Audiology
2022, Vol. 3, Issue 1, Part A
An acoustical analysis of the vowel space area of patients with mild spastic dysarthria due to cerebral infarction
Author(s): Jun Young Park, Ju Hyeon Kim, Ghi Chan Kim, Hye Mi Park and Myung Jin Huh
Abstract: Objective: The purpose of this study is to analyze the characteristics of vowel space by schematizing each vowel’s formant specifically in patients with mild spastic dysarthria.Materials and Methods: The subject group consisted of 21 mild dysarthria patients and the 21 control. We had them perform phonation of the vertex vowels of a vowel quadrangle /a, i, u. æ/. To analyze the area of vowel space, F1 and F2 were measured.Results: There were statistically significant differences when comparing the vowel /a/ of F1(733.7) and comparing the vowel /æ/ of F2(831.1) (p<0.05). The area of vowel space of patients with dysarthria (240775.3) was significantly narrower than control (318258.7) (p< 0.05).Conclusion: Mild dysarthria require a therapeutic intervention with emphasis on resonance cavities or vocalization becuase the use of resonance is low and the burden of speech generation is increased.
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How to cite this article:
Jun Young Park, Ju Hyeon Kim, Ghi Chan Kim, Hye Mi Park and Myung Jin Huh. An acoustical analysis of the vowel space area of patients with mild spastic dysarthria due to cerebral infarction. International Journal of Speech and Audiology. 2022; 3(1): 01-04.
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