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

Biography

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
Epilepsy

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. 2018, Vol. 164. DOI: 10.1016/j.neuroimage.2017.03.002
  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 C. An ovine model of cerebral catheter venography for implantation of an endovascular neural interface. JOURNAL OF NEUROSURGERY. American Association of Neurological Surgeons. 2018, Vol. 128, Issue 4. DOI: 10.3171/2016.11.JNS161754
  3. Nurse E, John S, Freestone D, Oxley T, Ung H, Berkovic S, O'Brien T, Cook M, Grayden D. Consistency of Long-Term Subdural Electrocorticography in Humans. IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING. IEEE - Institute of Electrical and Electronic Engineers. 2018, Vol. 65, Issue 2. DOI: 10.1109/TBME.2017.2768442
  4. John S, Opie N, Wong Y, Rind G, Ronayne S, Gerboni G, Bauquier SH, O'Brian TJ, May CN, Grayden D, Oxley T. Endovascular Neural Interface: Effect of Dura on Cortical Signal Recording Quality and Performance. Nature Communications. Nature Publishing Group. 2018. DOI: 10.1007/978-3-319-64373-1_6
  5. Yoo PE, Cleary J, Kolbe S, Ordidge R, O Brien TJ, Opie N, John S, Oxley T, Moffat B. Optimized partial-coverage functional analysis pipeline (OPFAP): a semi-automated pipeline for skull stripping and co-registration of partial-coverage, ultra-high-field functional images. Magnetic Resonance Materials in Physics, Biology and Medicine. Springer. 2018. DOI: 10.1007/s10334-018-0690-z
  6. John S, Opie N, Wong Y, Rind GS, Ronayne SM, Gerboni G, Bauquier S, O'Brien T, May CN, Grayden D, Oxley T. Signal quality of simultaneously recorded endovascular, subdural and epidural signals are comparable. SCIENTIFIC REPORTS. Nature Publishing Group. 2018, Vol. 8, Issue 1. DOI: 10.1038/s41598-018-26457-7
  7. Yoo PE, Hagan MA, John S, Opie N, Ordidge R, O'Brien T, Oxley T, Moffat B, Wong YT. Spatially dynamic recurrent information flow across long-range dorsal motor network encodes selective motor goals. Human Brain Mapping. Wiley-Liss. 2018, Vol. 39, Issue 6. DOI: 10.1002/hbm.24029
  8. Oxley T, Opie N, John S, Ronayne S, Rind G, Burkitt AN, Grayden DB, May CN, O'Brien T. A Minimally Invasive Endovascular Stent-Electrode Array for Chronic Recordings of Neural Activity. Brain Computer Interface Research. 2017. DOI: 10.1007/978-3-319-64373
  9. 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. DOI: 10.1109/TBME.2016.2552226
  10. John S, Lovell T, Opie N, Wilson S, Scordas TC, Wong Y, Rind G, Ronayne S, Bauquier S, May C, Grayden D, O'Brien T, Oxley T. The ovine motor cortex: A review of functional mapping and cytoarchitecture. NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS. Pergamon-Elsevier Science. 2017, Vol. 80. DOI: 10.1016/j.neubiorev.2017.06.002
  11. 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. DOI: 10.1088/1741-2560/13/4/046020
  12. 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. DOI: 10.1371/journal.pone.0155974
  13. 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. DOI: 10.1109/EMBC.2016.7591716
  14. 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. DOI: 10.1038/nbt.3428
  15. Wong Y, Opie N, John S, Gerboni G, Rind G, Ronayne S, Fox KE, Oxley T, Grayden D. Suitability of Nitinol Electrodes in Neural Prostheses such as Endovascular Neural Interfaces. 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. DOI: 10.1109/EMBC.2016.7591718

View a full list of publications on the University of Melbourne’s ‘Find An Expert’ profile