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Professor CHENG, Ivy K. Y.

Professor CHENG, Ivy K. Y.


Secretary of European Society for Swallowing Disorders (ESSD)

Assistant Professor

Academic Unit of Human Communication, Learning, and Development


BSc (Hons) Speech & Hearing Sciences, HKU


[javascript protected email address]


(852) 3917 1562


Room 766, Meng Wah Complex

  • Swallowing neurophysiology
  • Swallowing disorders (dysphagia)
  • Neuromodulation
  • Neurorehabilitation
  • Evidence synthesis

Research Expertise

  • Speech and Hearing Sciences
  • Communication Sciences and Disorders
  • Health and Health Professions Education

Prospective PhD/ EdD/ MPhil Applications

I am available to supervise PhD/EdD/MPhil students and would welcome enquiries for supervision.

Research Interests:

  • Swallowing neurophysiology
  • Swallowing disorders (dysphagia)
  • Neuromodulation treatments for dysphagia
  • Neurorehabilitation
  • Evidence synthesis

  • 2023-2024: Women in Research (WiRe) Fellowshipe, University of Münster, Germany

  • 2021: Highly commended Research Staff Strategy Group (RSSG) Excellence Award, University of Manchester, UK

  • 2021: 2nd World Dysphagia Summit Scholarship, World Dysphagia Summit Committee

  • 2013: Sir Edward Youde Memorial Fellowship

Peer-reviewed journal articles:

  1. Cheng I, Wong CSM, Chan HHL. A retrospective review on the prevalence and clinical features of dysphagia in patients with dermatomyositis in Hong Kong. Nerve & Muscle. (2023, under review).
  2. Cheng I, Sasegbon A, Hamdy S. Dysphagia treatments in Parkinson's disease: a systematic review and meta-analysis. Neurogastroenterology and Motility. 2023 Aug; 35(8):e14517.
  3. Cheng I, Wong CSM. A systematic review and meta-analysis on the prevalence and clinical characteristics of dysphagia in patients with dermatomyositis. Neurogastroenterology and Motility. 2023 Mar; e14572.
  4. Cheng I, Takahashi K, Miller A. and Hamdy S. Cerebral control of swallowing: an update on neurobehavioral evidence. Journal of the Neurological Sciences. 2022 Nov; 442:120434.
  5. Cheng I, Hamad A, Sasegbon A, Hamdy S. Advances in the treatment of dysphagia in neurological disorders: future considerations. Neuropsychiatric Disease and Treatment. 2022 Oct; 18:2251–2263.
  6. Cheng I, Sasegbon A, Hamdy S. Evaluating the therapeutic application of neuromodulation in the human swallowing system. Dysphagia. 2022 Oct; 1-20.
  7. Cheng I, Sasegbon A, Hamdy S. A systematic review and meta-analysis of the effects of intraoral treatments for neurogenic oropharyngeal dysphagia. Journal of Oral Rehabilitation. 2022 Jan; 49(1):92-102.
  8. Cheng I, Hamdy S. Metaplasticity in the human swallowing system: clinical implications for dysphagia rehabilitation. Neurological Sciences. 2021 Oct; 16:1-11. 
  9. Cheng I, Hamdy S. Current perspectives on the benefits, risks, and limitations of non-invasive brain stimulation (NIBS) for post-stroke dysphagia. Expert Review of Neurotherapeutics. 2021 Sep; 6:1-2. 
  10. Sasegbon A, Hammerbeck U, Michou E, Cheng I, Zhang M, James C, Hamdy S. A feasibility pilot study of the effects of neurostimulation on dysphagia recovery in Parkinson’s Disease. AMRC Open Research. 2021 Sep; 3:19.
  11. Cheng I, Sasegbon A, Hamdy S. Effects of pharmacological agents for neurogenic oropharyngeal dysphagia: A systematic review and meta‐analysis. Neurogastroenterology & Motility. 2021 Aug; 1:e14220.
  12. Zhang M, Cheng I, Sasegbon A, Dou Z, Hamdy S. Exploring parameters of gamma transcranial alternating current stimulation (tACS) and full-spectrum transcranial random noise stimulation (tRNS) on human pharyngeal cortical excitability. Neurogastroenterology & Motility. 2021 Jun; 3;33(9):e14173.
  13. Cheng I, Sasegbon A, Hamdy S. Effects of Neurostimulation on Poststroke Dysphagia: A Synthesis of Current Evidence From Randomized Controlled Trials. Neuromodulation: Technology at the Neural Interface. 2020 Dec; 24(8):1388-1401.
  14. Cheng I, Scarlett H, Zhang M, Hamdy S. Preconditioning human pharyngeal motor cortex enhances directional metaplasticity induced by repetitive transcranial magnetic stimulation. The Journal of Physiology. 2020 Aug; 598(22):5212-5230.
  15. Sasegbon A, Cheng I, Zhang M, Hamdy S. Advances in the Use of Neuromodulation for Neurogenic Dysphagia: Mechanisms and Therapeutic Application of Pharyngeal Electrical Stimulation, Transcranial Magnetic Stimulation, and Transcranial Direct Current Stimulation. American Journal of Speech-Language Pathology. 2020 Jul; 29(2S):1044-1064.
  16. Chow VL, Chan JY, Cheng I, Chan KM. Swallowing disorders following free jejunal flap reconstruction of circumferential pharyngeal defect: Does Botox help? Oral Oncology. 2020 May; 104:104612.
  17. Raginis‐Zborowska A, Cheng I, Pendleton N, Payton A, Ollier W, Michou E, Hamdy S. Genetic influences on the variability of response to repetitive transcranial magnetic stimulation in human pharyngeal motor cortex. Neurogastroenterology & Motility. 2019 Jul; 31(7):e13612.
  18. Lu D, Huang M, Cheng I, Dong J, Yang H. Comparison and correlation between the paediatric Voice Handicap Index and the paediatric voice-related quality-of-life questionnaires. Medicine. 2018 Sep; 97(36). 
  19. Cheng I, Yiu EM, Chan KM. Changes in resting motor threshold of the tongue with normal aging and stroke. Somatosensory & motor research. 2018 Jan 10; 34(4):242-7.
  20. Lu D, Huang M, Li Z, Cheng I, Yang H, Chen F, Wang H, Zou J. Validation of the Mandarin Chinese Version of the Paediatric Voice-Related Quality of Life (pVRQOL). Journal of Voice. 2017 Dec 25.
  21. Lu D, Huang M, Li Z, Yiu EM, Cheng I, Yang H, Ma EP. Adaptation and validation of Mandarin Chinese version of the paediatric Voice Handicap Index (pVHI). International journal of paediatric otorhinolaryngology. 2017 Oct 25; 104:19-24.
  22. Cheng I, Chan KM, Wong CS, Li L, Chiu MY, Cheung R, Yiu EM. Neuronavigated high-frequency repetitive transcranial magnetic stimulation for chronic post-stroke dysphagia: A randomized controlled study. Journal of rehabilitation medicine. 2017 Jun; 49(6):475-481. 
  23. Cheng I, Chan KM, Wong CS, Cheung RT. Preliminary evidence of the effects of high‐frequency repetitive transcranial magnetic stimulation (rTMS) on swallowing functions in post‐stroke individuals with chronic dysphagia. International journal of language & communication disorders. 2015 Apr; 50(3):389-96.

Peer-reviewed book chapters:

  1. Cheng I, Sasegbon A, Park J.-W., Hamdy S (2023, Nov). Neurorehabilitation strategies. A Multidisciplinary Approach to Managing Swallowing Dysfunction in Older People. Academic Press. Massachusetts, USA. 
  2. Cheng I, Hamdy S (2023). Dysphagia: Assessment and Treatment Planning: A Team Approach. 5th Edition. Plural Publishing Inc.

  1. Board member, European Society for Swallowing Disorders (ESSD)
  2. Academic journals reviewer