Department of Radiography/Radiotherapy

Faculty of Allied Health Sciences

Department of Radiography/Radiotherapy

Faculty of Allied Health Sciences

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Ms. D.G.S.R. Karunarathna


Official Address :

Department of Radiography/Radiotherapy,
Faculty of Allied Health Sciences,
University of Peradeniya,
Augusta Hill, Sri Amarawansa Mawatha
Peradeniya,
Sri Lanka


Email :

dgsadhani@ahs.pdn.ac.lk


Telephone :

+94-0812065783

     




Education Qualifications

  • PhD in Medical Studies – Menzies Institute for Medical Research, University of Tasmania, Tasmania, Australia (2023–Present)
  • MSc in Radiological Sciences – Graduate School of Human Health Sciences, Tokyo Metropolitan University, Japan (2020–2022)
  • BSc (Hons) in Radiography (First Class) – Faculty of Allied Health Sciences, University of Peradeniya, Sri Lanka (2013–2017)

Professional Qualifications

  • Lecturer, Department of Radiography/Radiotherapy, Faculty of Allied Health Sciences, University of Peradeniya, Sri Lanka (2019–Present)
  • Temporary Lecturer, Department of Radiography/Radiotherapy, Faculty of Allied Health Sciences, University of Peradeniya, Sri Lanka (2018–2019)
  • Registered Diagnostic Radiographer, Sri Lanka

Research Interests

  • Magnetic Resonance Imaging (MRI)
  • Neuroimaging
  • Computed Tomography (CT)
  • Conventional X-ray Imaging
  • Neurodegenerative Diseases
  • Cognitive Decline
  • Gait Decline

Research Publications(Recent)

    Peer reviewed journal articles

  • Karunarathna, S., Breslin, M., Alty, J., McDonald, J. S., Beare, R., Srikanth, V. K., Collyer, T. A., & Callisaya, M. L. (2025). Strength of associations between regional brain volumes and dual decline in gait and memory. Brain Research, 1872, 150072. https://doi.org/10.1016/j.brainres.2025.150072
  • Karunarathna, S., Breslin, M., Alty, J., Beare, R., Collyer, T. A., Srikanth, V. K., McDonald, J. S., & Callisaya, M. L. (2024). Associations between brain structure and dual decline in gait and cognition. Neurobiology of Aging, 143, 10–18. https://doi.org/10.1016/j.neurobiolaging.2024.08.004
  • Wanni Arachchige, P. R., Ueda, R., Karunarathna, S., & Senoo, A. (2021). Evaluation of fMRI activation in hemiparetic stroke patients after rehabilitation with low-frequency repetitive transcranial magnetic stimulation and intensive occupational therapy. International Journal of Neuroscience, 1–9. https://doi.org/10.1080/00207454.2021.1968858
  • Arachchige, P. R. W., Karunarathna, S., Uchida, W., Ueda, R., Median, A. C., Yao, D. P., Abo, M., & Senoo, A. (2021). Changes in brain morphometry after motor rehabilitation in chronic stroke. Somatosensory & Motor Research, 38(4), 277–286. https://doi.org/10.1080/08990220.2021.1968369

    • Conference Abstracts and Presentations

  • Karunarathna, S., Breslin, M., Alty, J., McDonald, J. S., Srikanth, V. K., Collyer, T. A., & Callisaya, M. L. (2026). Construct validity of dual decline in gait speed and memory as an indicator of dementia risk. Australian Dementia Research Forum 2026, Sydney, Australia. 1st–3rd June 2026. (Poster Presentation)
  • Karunarathna, S., Breslin, M., Alty, J., Beare, R., Collyer, T. A., Srikanth, V. K., McDonald, J. S., & Callisaya, M. L. (2025). Brain Structures Associated with Dual Decline in Gait and Cognition. The International Conference of the Korean Dementia Association 2025 & 19th International Congress of the Asian Society Against Dementia (IC-KDA & ASAD 2025), Seoul, Korea. 8th–10th May 2025. (Oral Presentation)
  • Karunarathna, S., Breslin, M., Alty, J., McDonald, J. S., Beare, R., Srikanth, V. K., Collyer, T. A., & Callisaya, M. L. (2025). Associations Between Regional Brain Volumes and Dual Decline in Gait Speed and Memory. The International Conference of the Korean Dementia Association 2025 & 19th International Congress of the Asian Society Against Dementia (IC-KDA & ASAD 2025), Seoul, Korea. 8th–10th May 2025. (Poster Presentation)
  • Karunarathna, S., Breslin, M., Alty, J., Beare, R., Collyer, T. A., Srikanth, V. K., McDonald, J. S., & Callisaya, M. L. (2024). Associations between brain structure and dual decline in gait and cognition. 22nd National Conference of Emerging Researchers in Ageing, Virtual. 4th December 2024. (Oral Presentation)
  • Karunarathna, S., Breslin, M., Alty, J., Beare, R., Collyer, T. A., Srikanth, V. K., McDonald, J. S., & Callisaya, M. L. (2024). Associations between brain structure and dual decline in gait and cognition. Alzheimer’s Association International Conference (AAIC), Philadelphia, USA. 28th July–1st August 2024. (Poster Presentation)
  • Karunarathna, S., Breslin, M., Alty, J., Beare, R., Collyer, T. A., Srikanth, V. K., McDonald, J. S., & Callisaya, M. L. (2024). Associations between brain structure and dual decline in gait and cognition. Australian Dementia Research Forum 2024, Queensland, Australia. 3rd–5th June 2024. (Poster Presentation)
  • Karunarathna, S., Breslin, M., Alty, J., Beare, R., Collyer, T. A., Srikanth, V. K., McDonald, J. S., & Callisaya, M. L. (2024). Associations between brain structure and dual decline in gait and cognition. The Australian and New Zealand Society for Geriatric Medicine Annual Scientific Meeting 2024, Christchurch, New Zealand. 22nd–24th May 2024. Available from: https://onlinelibrary.wiley.com/toc/17416612/2024/43/S1. (Oral Presentation)
  • Karunarathna, D.G.S.R., Weerakoon, B.S., & Marasinghe, M.A.J.C. (2018). Assessment of students' perceptions of the B.Sc. Radiography degree programme at the Faculty of Allied Health Sciences, University of Peradeniya, Sri Lanka. KDU 11th International Research Conference, Sri Lanka, Abstract Book, p. 36. Available from: http://ir.kdu.ac.lk/handle/345/2753. (Oral Presentation)

Curriculum Vitae




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