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Edwin M-L Yiu Ph.D. (Queensland)

Professor Yiu is a professor in the Division of Speech & Hearing Sciences. He worked at the University of Hong Kong between 1990 and 1992 as a lecturer. He has also worked in the University of Queensland and Curtin University in Australia before he rejoined the University of Hong Kong in 1996. Professor Yiu’s primary research and teaching focus on voice science and disorders. His primary research interest is on the efficacy of voice therapy, voice motor learning, analysis of voice quality, and alternative/complementary medicine in voice therapy.

Professor Yiu is on the editorial boards of the following international refereed journals:
-International Journal of Language and Communication Disorders
-Asia Pacific Journal of Speech Language and Hearing
-Advances in Speech-Language Pathology

 prof yiu

|Research Interests|Recent Publication|Recent Research Grants Awarded|Voice Research Laboratory|Contact| Home|

For details on recent publications, please see HKU Scholar Hub

Research Interests

Voice Science and Disorders

Efficacy of voice therapy

Voice motor learning

Acoustic, perceptual and physiological correlates of voice qualities

Alternative and complementary medicine in voice therapy


Recent Publications

  1. Wong, A.H.Y., Ma, E. P.-M. & Yiu, E. M,-L. (In press) Effects of Practice Variability on Learning of Relaxed Phonation in Vocally Hyperfunctional Speakers. Journal of Voice.

  2. Yiu, E.M.L., Ho, M.E., Ma, E.P-M., Verdolini Abbott, K., Branski, R, Richardson, K. & Li, N.Y.-K. (In press) Cross-cultural differences in the perception of impact of voice disorders. Journal of Voice.

  3. Kwong, E. Y.-L., & Yiu, E. M.-L. (In press). A preliminary study of the effect of acupuncture on salivary cortisol level in female dysphonic speakers. Journal of Voice.

  4. Yiu, E.M-L., Kong, J., Fong, R., & Chan, K.M.K. (In press) A preliminary study of a quantitative analysis method for high speed laryngoscopic images. Journal of International Speech Language Pathology.

  5. Law, I. K.-Y., Ma, E. P.-M., & Yiu, E. M.-L. (2009) Speech intelligibility, acceptability and communication-related quality of life in alaryngeal speakers. Archives of Otolaryngology, 135(7), 704-711.

  6. Yiu, E. M-L., Murdoch, B., Hird, K. & Lau, P. (2008) Perception of synthesized dysphonic qualities: A cross-language comparison. Folio Phonitrica et Logopedica, 60, 107-119.

  7. Ma, E. P.-M., Yiu, E.M-L. & Verdolini, K. (2007) Application of the ICF to Voice Disorders. Seminars of Speech and Language, 28, 343-350.

  8. Ma, E. & Yiu, E. (2007). Scaling voice activity limitation and participation restriction in dysphonic individuals. Folia Phoniatrica et Logopaedica, 59, 74-82.

  9. Ma E., Robertson, J., Radford, C., Vagne, S. El-fifi, R. & Yiu, E. (2007). Reliability of speaking and maximum voice range measures in screening for dysphonia. Journal of Voice, 21, 397-406.

  10. Kwong, E., Yiu, E., Xie, F., Lin, Z, & Chung, O. (2007). The effectiveness of acupuncture for vocal nodules: A radomized-controlled clinical trial [Abstract]. The Journal of Alternative and Complementary Medicine, 13(8), 874.

  11. Yiu, E.ML., Wei, W., van Hasselt, A. & Wong, R. (2007) Predicting the outcome of conservative (non-surgical) voice therapy for adults with laryngeal pathologies associated with hyperfunctional voice use. Hong Kong Medical Journal, 13 (5), Suppl 5, 15-17.

  12. Yiu, E. M.-L., Chan, KM.K., & Mok, R.S.-M. (2007). Reliability and confidence in using a paired comparison paradigm in perceptual voice quality evaluation. Clinical Linguistics & Phonetics, 21(2): 129-145.

  13. Ho, M. & Yiu, E.M-L. (2006) Agreement and reliability using reference-matching paradigm in perceptual voice quality rating in Chinese and English. (Abstract) Journal of Acoustical Society of America, 120(5), 3254.

  14. Ma, E. P-M. & Yiu, E. M-L. (2006) Multi-parametric evaluation of dysphonic severity. Journal of Voice, 20(3), 380-390. (30% contribution)

  15. Chan, K. & Yiu, E. M-L. (2006) A comparison of two perceptual voice evaluation training programs for naive listeners. Journal of Voice, 20(2), 229-241.

  16. Lam, P.K.Y., Chan, K.M, Ho, W.K., Kwong, E., Yiu, E.M., Wei,W.I. (2006). Cross-cultural Adaptation and Validation of the Chinese Voice Handicap Index-10. Laryngoscope, 116, 1192-1198.

  17. Li, N. & Yiu, E. M-L. (2006) Acoustic and Perceptual Analysis of Modal and Falsetto Registers in Females with Dysphonia. Clinical Linguistics and Phonetics, 20(6), 463-481.

  18. Yiu, E. M-L., Xu, J. J., Murry, T., Wei, W., Yu, M., Ma, E., Huang, W. & Kwong E. (2006) A randomized treatment-placebo study of the effectiveness of acupuncture for benign vocal pathologies. Journal of Voice, 20, 144-156.

  19. Yiu, E. M-L., Verdolini, K. & Chow, L. (2005) Electromyographic study of motor learning for a voice production task. Journal of Speech, Language and Hearing Research, 48, 1254-1268.

  20. Ma, E. P-M. & Yiu, E. M-L. (2005) Suitability of acoustic perturbation measures in analyzing periodic and nearly periodic voice signals. Folio Phoniatrica et Logopedics, 57:38-47.


Research Grants Awarded

US National Institute of Health

2009 Prospective Study on Prevention and Treatment of Voice Problems in Teachers. National Institute of Health (2009 R01 DC008567) (Principal Investigator - Hong Kong Team US$445,995) (Cross-center trial in collaboration with Professor Katherine Verdolini, Total funding US$3,422,120)

2007. Prospective randomized double-blind study of acupuncture for phonotrauma. National Institute of Health. (Principal Investigator, US$275,000)

Quality Education Fund
2008 Quality Education Fund. Teacher’s Voice Risk Calculator: Reducing The Risk Of Developing Voice Problems In Teachers. (Principal Investigator, HK$441,000)

Hong Kong Research Grant Council

2009. Effectiveness of laser acupuncture for treating vocal fold pathologies. Hong Kong Research Grant Council 2007-2010. (Principal Investigator. HK$ 950,000).

2008. Effects of self-controlled feedback paradigm on motor learning of a "relaxed phonation" task. Hong Kong Research Grant Council 2007-2010. (Co- Investigator. HK$ 326,862).

University Grants

2006. Teacher Voice Risk Calculator: A self assessment based tool for identifying teachers at risk of developing voice disorders. Small Project Fund 2006-2007 (Project Code-10207272). (Principal Investigator. HK$56,640).

2006. The use of synthesized anchors and training for the perceptual evaluation of hypernasality 2006-2007. (Co-Investigator. HK$66,880).

University Endowment Research Grants

2004. A simple guide to better voicing for teachers and professional voice users. INSTEP Grant for second book printing. (HK$17,700).

2004. Effect of intensity of acupuncture on treating hyperfunctional voice disorder. Simon KY Lee Research Fund in Linguistics, Speech and Hearing Sciences Grant. (2004-2005) (Principal Investigator. HK$39,110).

1997-2004. Five-year longitudinal study of the prevalence of voice problems in Hong Kong teaching profession (1997-2006. Principal investigator). INSTEP-based Research Grant Committee, The University of Hong Kong (HK$ 126,752).

Large Equipment Grants/ University Development Fund

2009. University Development Fund for high speed and acoustic equipment. Estella Ma & Edwin Yiu. (HK$1.38 M)
2009. High speed colour laryngoscopy. A$175,000. Faculty of health Sciences, The University of Sydney.

Teaching Development Grants

2006. Enhancing professional skills of speech therapy students in providing alternative service delivery models. Teaching Development Grant. (Principal Investigator. HK$ 60,800).

2003. Peer supervision in speech therapy clinical education. Teaching Development Grant. 2003-2004. (Principal Investigator. HK$111,000).

 

 

 

Instrumentation used in the Research Projects

 

 

 

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