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Spastic Dysarthria Case Study

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Acoustic analysis of voice in spastic dysarthria: Case report ABSTRACT Voice analysis in dysarthria is challenging because of the complexity of the disorder and its affects on the speech production system. A combination of perceptual and acoustic analysis is increasingly common because of its convenience. The aim of this report is to perform the voice analysis in 66 years old male diagnosed as spastic dysarthria. Based on the assessment we can conclude that voice analysis reveals interesting data on the multiplicity of voice quality in spastic dysarthric. Key words: dysarthria, acoustic analysis, voice quality INTRODUCTION Vocal analysis in individuals with neurological disease can make an important contribution towards reaching a differential …show more content…

The GRBAS stands for Grade, Roughness, Breathiness, Asthenia and Strain assessed by a 4 point rating scale where 0 stands for normal and 3 stands for severe.[3] Table 1: Representation of scores in GRBAS Parameters Rating Impression Grade 2 Moderate Roughness 1 Slight Breathiness 2 Moderate Aesthenia 2 Moderate Strain 1 Slight From table 1, it is evident that the perceptual rating on GRBAS revealed that GV had a Grade, Breathiness and asthenia revealing moderate level of voice problem but voice quality is only impaired slightly for parameters like roughness and strain. Buffalo III Voice Profile was used to measure laryngeal tone, pitch, loudness, nasal resonance and an overall voice rating. It is scored using a 5-point scale ranging from 1 being normal to 5 being very severe. [4] Table 2: Representation of perceptual scores in Buffalo III voice profile Parameters Rating Impression Laryngeal Tone Breathy 3 Moderate Harsh 2 Mild Hoarse 3 Moderate Pitch Too High 1 Normal Too Low 1 Normal Loudness Too Loud 1 Normal Too Soft 2 Mild Nasal Resonance Hypernasal 2 Mild Hyponasal 1 Normal Overall Voice Rating 3 …show more content…

Jacobson B, Johnson A, Grywalski C, Silbergleit A, Jacobson G, Benninger M, et al. The Voice Handicap Index (VHI). Am J Speech Lang Pathol 1997; 6(3): 66-70. 6. 7. McNeil M. Clinical management of sensorimotor speech disorders. 2nd ed. New York: Thieme; 2009. 8. Karnell M, Melton S, Childes J, Coleman T, Dailey S, & Hoffman H. Reliability of Clinician-Based (GRBAS and CAPE-V) and Patient-Based (V-RQOL and IPVI) Documentation of Voice Disorders. J Voice 2007; 21(5): 576-590. 9. Mendes AP, Bonanca I, Jorge A, Alves-Pereira M, Castelo Branco NA, Caetano M, et al. Voice acoustic profile of males exposed to occupational infrasound and low-frequency noise. J Laryngol Voice 2014; 4:12-20. 10. Colton R, & Casper J. Understanding voice problems: A physiological perspective for diagnosis and treatment. Philadelphia: Lippincott Williams & Wilkins; 1990. 11. Kent R, Vorperian H, & Duffy J. Reliability of the Multi-Dimensional Voice Program for the Analysis of Voice Samples of Subjects with Dysarthria. Am J Speech Lang Pathol 1999; 8: 129-129. doi:10.1044/1058-0360.0802.129 12. Wang Y, Kent R, Kent J, Duffy J, Thomas J. Acoustic analysis of voice in dysarthria following stroke. Clin Linguist Phonet 2009; 23(5):

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