Dr. R. Rajasudhakar

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Dr. R. Rajasudhakar

Associate Professor in Speech Sciences, Department of Speech Language Sciences

Phone Office: 2724

R Rajasudhakar is an Associate Professor in Speech Science in the Department of Speech-Language Sciences. He completed his Bachelors in Speech and Hearing and Masters in Speech-Language Pathology in All India Institute of Speech & Hearing, Mysore during 2003 and 2005, respectively. His doctoral thesis was carried out under the guidance of Dr S R Savithri (Former Director of AIISH, Mysore) that quantified the prevalence of vocal fatigue symptoms in primary school teachers’, evaluated daily and weekly vocal load in them by using time dose and also measured vocal recovery index and awarded Ph.D. in Speech-Language Pathology in 2015.

His research focuses on voice sciences and its disorders, Speech acoustics, Singing voice and Speech-Language Perception/Processing. He is active in mentoring under-graduate and post graduate students in Speech-Language Pathology. His is life member in Acoustical Society of India, Indian Laryngology and Voice Association (LVA), Indian Speech and Hearing Association and Rehabilitation Council of India.

(a) International Publications

Yeshoda, K., and Rajasudhakar, R. (2022). Effects of occupational risk factors on subjective vocal aerodynamic measures in Teachers. Indian Journal of Otolaryngology and Head & Neck Surgery. (In Press). DOI: 10.1007/s12070-022-03136-8.
Jayakumar, T., Rajasudhakar, R. & Jesnu Jose Benoy (2022). Comparison and validation of acoustic voice quality index version 2 and version 3 among south Indian population. Journal of Voice, (In Press).
Yeshoda, K., Rajasudhakar, R. & Lokheshwar, S (2021). Impact of Voice Conservation Sensitization Program in Nursing Trainees: A Pre-Post Comparison. Education in the Health Profession, Vol 3; Issue 3, Page No. 116-123. DOI: 10.4103/EHP.EHP_34_20. (ISSN: 2590-1761)
Lokheshwar, S. & Rajasudhakar, R. (2021). Medical practitioner’s awareness on Speech-Language Pathologists and their services in India: A pilot study. Journal of Interprofessional Education & Practice, Vol. 23, June. pp 1-5. DOI: 10.1016/j.xjep.2020.100412
Abhishek, B.P., Rajasudhakar, R. & Ranjitha Kashyap (2019). Cognitive flexibility and response inhibition abilities in individuals with MCI and normal aging individuals. International Journal of Mind, Brain and Cognition, Vol. 10, No. 1-2, Jan-Dec. pp 37-45.
Priyadharshini, V. & Rajasudhakar, R. (2019). Statistical learning of dependencies in children with specific language impairment: An exploratory study. International Journal of Research Studies in Language Learning, Vol. 8 (2), pp 1-15.
Shanmugasundaram, L. & Rajasudhakar, R. (2018). A Preliminary study using thermal imaging on voice and throat temperature under induced vocal loading. International Journal of Health Sciences and Research, Vol. 8 (11), pp 8-17.
Savithri, S. R., Rajasudhakar, R., Priya, M. B. & Aishwarya, N. (2018). Effectiveness of orientation program on communication disorders for ASHA workers of Mysure, Mandya and Chamarajanagar districts. International Journal of Health Sciences and Research, Vol. 8 (11), pp 1-7.
Deepak, P., Darshan, H. S. & Rajasudhakar, R. (2018). A pre-post comparison of articulatory behaviours in Accent training: A preliminary investigation. International Journal of Mind, Brain & Cognition, Vol. 9 (1-2), pp 9-22.
Rajasudhakar, R. (2016). Effect of Voice Therapy in Sulcus Vocalis: A single case study. South African Journal of Communication Disorders, Vol. 63, No. 1, pp. 1-5.

(b) National Publications:

Abhishek, B. P., Rajasudhakar, R. & Ranjitha Kashyap (2019). Examining the Executive Functions in Neurotypical Individuals and Individuals with Mild Cognitive Impairment. Research and Reviews: Journal of Neuroscience, Vol. 9 (2): page no. 10–15.

Shanmugasundaram, L. & Rajasudhakar, R. (2018). Effect of vocal loading on throat temperature in young phono-normal adults. Journal of Laryngology and Voice, Vol. 8, pp 14-18.
Arjun, M. & Rajasudhakar, R. (2016). Benchmark for Speaker Identification using Linear Prediction Coding (LPC) on vowels preceding nasal continuants in Kannada. Journal of Acoustical Society of India (JASI), Vol. 43, (2), pp 97-107.
Arjun, M. & Rajasudhakar, R. (2015). Closed set Speaker Identification using Mel Frequency Cepstral Coefficients on Vowels Preceding Nasal Continuants in Kannada. Journal of All India Institute of Speech and Hearing, Vol. 34, pp. 76-84.
Yeshoda, K., Rajasudhakar, R., Jayakumar, T., Amoolya, G. & Deepthi, D. (2013). Investigation of voice characteristics in special educators using Dysphonia Severity Index. Journal of All India Institute of Speech and Hearing, 32, 30-35.
Rajasudhakar. R, Pramoda, K., Yeshoda, K, & Geetha, Y. V. (2011). An Evaluative Study of Vocal Hygiene Awareness Program in Professional Voice Users (Prospective Teachers). Journal of All India Institute of Speech and Hearing, 30, 9-14.
Rajasudhakar, R. & Savithri, S. R. (2009). Voicing periods in a primary school teacher. Journal of the All India Institute of Speech & Hearing, Vol. 28, 36-41.

Rajasudhakar, R. & Savithri, S. R. (2009). A method for quantifying voicing periods and short-term vocal recovery index in primary school teachers. Journal of Indian Speech & Hearing Association, Vol 28, 36-41.
Rajasudhakar, R. & Raju, S. H. (2008). Keratosis of the larynx. Journal of the All India Institute of Speech and Hearing, Vol. 27, 19-21.

Bagchi, A. & Rajasudhakar, R. (2007). Diversities among individuals with cluttering. Journal of All India Institute of Speech and Hearing, Vol. 26, 9-12.

Savithri, S. R., Jayaram, M., Venugopal, M. B. & Rajasudhakar, R. (2007). Base of articulation of 13 Indian languages. Journal of All India Institute of Speech and Hearing, Vol. 26, 23-27.
Rajasudhakar, R., Venugopal, M. B. & Goswami, S. P. (2006). Attitudes of Prospective, Elementary School Teachers and Special Educators on Children who stutter in School Situation. Journal of the Indian Speech and Hearing Association, Vol. 20, 7-14.

Venugopal, M. B., Rajasudhakar, R. & Goswami, S. P. (2006). Foix-Chavany-Marie-Syndrome – A case study. Journal of the Indian Speech and Hearing Association, Vol. 20, 15-20.
Venugopal, M.B., Rajasudhakar, R. & Savithri, S. R. (2005). Maximum Phonation Duration and S/Z ratio in Dravidian children. Journal of the Indian Speech and Hearing Association, Vol. 19, 47-51.
Rajasudhakar, R., Venugopal, M. B. & Goswami, S. P. (2004). Lexical Generative Naming Task in Children with Learning Disability. Journal of the Indian Speech and Hearing Association, Vol. 18, 86-91.

July 2005 - June 2006: Research Officer, Dept. of Speech-Language Sciences, AIISH, Mysore.

Aug 2006 - Oct 2006: Lecturer, Institute of Speech & Hearing, MMC & RI, Kancheepuram.

Nov 2006 - July 2007: Lecturer, Dr. M. V. Shetty College of Speech & Hearing, Mangalore.

Aug2007 - May 2010: Junior Research Fellow, All India Institute of Speech & Hearing, Mysore.

Worked in the area of Voice Sciences- Ph.D Thesis on ‘Voicing periods in daily and weekly speech of primary school teachers: Occupational voice measurements (time dose)’ under the guidance of Dr. S. R. Savithri

May 2010 - June 2016: Lecturer in Speech Sciences, Department of Speech-Language Sciences, All India Institute of Speech & Hearing, Mysore-6.

July 2016 - Present: Reader in Speech Sciences, Department of Speech-Language Sciences, All India Institute of Speech & Hearing, Mysore-6.

Dec 2020 - Present: Associate Professor, Department of Speech-Language Sciences, All India Institute of Speech & Hearing, Mysore-06.