Dr Sam John

  • Room: Level: 01 Room: 1.42
  • Building: Electrical and Electronic Engineering
  • Campus: Parkville

Research interests

  • Biomaterials
  • Biomechanics and Rehabilitation
  • Biomechanics and Rehabilitation
  • Biomedical Signal Processing
  • Bionic Vision
  • Electronic Circuit design
  • Electronic Design
  • Nervous disorders and Rehabilitation
  • Nervous disorders and Rehabilitation
  • Neural Prostheses
  • Sensory deficit and Rehabilitation


Sam John is a post-doctoral research fellow in the Department of Electrical and Electronic Engineering at The University of Melbourne.

Sam John is part of the Melbourne Bionics Group at the Department of Medicine and the Neuroengineering Research Laboratory Centre for Neural Engineering.

His areas of expertise include biomedical signal processing, electronic engineering, design and validation of neural implants, multi-channel neural stimulation and recording. His main research interests include neural prostheses for treatment/rehabilitation of patients afflicted by loss of sensory, motor or cognitive function and in understanding how the brain processes information.

Research interests:
Bionic implants
Brain computer interfaces
Bionic vision

Recent publications

  1. Yoo P, John S, Farquharson S, Cleary J, Wong YT, Ng A, Mulcahy C, Grayden D, Ordidge R, Opie N, O'Brien T, Oxley T, Moffat B. 7T-fMRI: Faster temporal resolution yields optimal BOLD sensitivity for functional network imaging specifically at high spatial resolution. NeuroImage. Academic Press. 2017.
  2. Oxley T, Opie N, Rind G, Liyanage K, John S, Ronayne S, McDonald A, Dornom A, Lovell T, Mitchell P, Bennett I, Bauquier S, Warne L, Steward C, Grayden D, Desmond P, Davis S, O'Brien T, May CN. An ovine model of cerebral catheter venography for implantation of an endovascular neural interface.. J Neurosurg. 2017.
  3. Nurse ES, John S, Freestone DR, Oxley T, Ung H, Berkovic S, O'Brien T, Cook MJ, Grayden DB. Consistency of Long-Term of Subdural Electrocorticography in Humans. IEEE Transactions on Biomedical Engineering. IEEE - Institute of Electrical and Electronic Engineers. 2017.
  4. Opie N, Van Der Nagel NR, John S, Vessey K, Rind G, Ronayne S, Fletcher E, May C, O'Brien T, Oxley T. Micro-CT and Histological Evaluation of an Neural Interface Implanted Within a Blood Vessel. IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING. IEEE - Institute of Electrical and Electronic Engineers. 2017, Vol. 64, Issue 4.
  5. John S, Lovell TJH, Opie N, Wilson S, Scordas TC, Wong YT, Rind G, Ronayne S, Bauquier S, May C, Grayden DB, O'Brien T, Oxley TJ. The ovine motor cortex: A review of functional mapping and cytoarchitecture. Neuroscience and Biobehavioral Reviews. Pergamon-Elsevier Science. 2017, Vol. 80.
  6. Opie N, John S, Rind G, Ronayne S, Grayden D, Burkitt A, May C, O'Brien T, Oxley T. Chronic impedance spectroscopy of an endovascular stent-electrode array. JOURNAL OF NEURAL ENGINEERING. Institute of Physics Publishing. 2016, Vol. 13, Issue 4.
  7. Liyanage K, Steward C, Moffat B, Opie N, Rind G, John S, Ronayne S, May C, O'Brien T, Milne M, Oxley T. Development and Implementation of a Corriedale Ovine Brain Atlas for Use in Atlas-Based Segmentation. PLOS ONE. Public Library of Science. 2016, Vol. 11, Issue 6.
  8. Opie N, Rind G, John S, Ronayne S, Grayden D, Burkitt A, May C, O'Brien T, Oxley T. Feasibility of a Chronic, Minimally Invasive Endovascular Neural Interface. 2016 38TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC). Institute of Electrical and Electronics Engineers. 2016, Vol. 2016-October. Editors: Patton J, Barbieri R, Ji J, Jabbari E, Dokos S, Mukkamala R, Guiraud D, Jovanov E, Dhaher Y, Panescu D, Vangils M, Wheeler B, Dhawan AP.
  9. Oxley T, Opie N, John S, Rind G, Ronayne S, Wheeler TL, Judy JW, McDonald A, Dornom A, Lovell T, Steward C, Garrett D, Moffat B, Lui E, Yassi N, Campbell B, Wong Y, Fox KE, Nurse E, Bennett I, Bauquier S, Liyanage K, Van Der Nagel NR, Perucca P, Ahnood A, Gill K, Yan B, Churilov L, French C, Desmond P, Horne M, Kiers L, Prawer S, Davis S, Burkitt A, Mitchell P, Grayden D, May C, O'Brien T. Minimally invasive endovascular stent-electrode array for high-fidelity, chronic recordings of cortical neural activity. NATURE BIOTECHNOLOGY. Nature Publishing Group. 2016, Vol. 34, Issue 3.
  10. Sefcik RK, Opie N, John S, Kellner CP, Mocco J, Oxley T. The evolution of endovascular electroencephalography: historical perspective and future applications. NEUROSURGICAL FOCUS. American Association of Neurological Surgeons. 2016, Vol. 40, Issue 5.
  11. John S, Shivdasani M, Williams C, Morley JW, Shepherd R, Rathbone GD, Fallon J. Suprachoroidal electrical stimulation: effects of stimulus pulse parameters on visual cortical responses. Journal of Neural Engineering. Institute of Physics Publishing. 2013, Vol. 10, Issue 5.
  12. Ahmed S, John S, Sutalo ID, Metcalfe G, Liffman K. Experimental study of density segregation at end walls in a horizontal rotating cylinder saturated with fluid: friction to lubrication transition. Granular Matter. Springer Verlag. 2012, Vol. 14, Issue 3.
  13. John S, Shivdasani M, Leuenberger JL, Fallon J, Shepherd R, Millard RM, Rathbone GDR, Williams C. An automated system for rapid evaluation of high-density electrode arrays in neural prostheses. Journal of Neural Engineering. Institute of Physics Publishing. 2011, Vol. 8, Issue 3.
  14. Hayter D, Pereira G, Liffman K, Aldham B, John S, Sutalo ID, Brooks G, Cleary P, Metcalfe G. Density segregation of granular material in a rotating cylindrical tumbler. Biomedical Applications of Micro- and Nanoengineering IV and Complex Systems. SPIE Digital Library. 2008, Vol. 7270.