个人简介

Scientist, Toronto Rehabilitation Institute (TRI), University Health Network (UHN) Institute of Biomaterials & Biomedical Engineering Additional Appointments Edward S. Rogers Sr. Department of Electrical & Computer Engineering Rehabilitation Science Institute

研究领域

Neural engineering; rehabilitation engineering; neurorehabilitation; neural interfaces; neuroprostheses; peripheral nerves; upper limb rehabilitation

Central nervous system disorders such as spinal cord injury, stroke, traumatic brain injury, multiple sclerosis, and Parkinson’s disease can drastically limit an individual’s independence, mobility, and quality of life. This has dramatic consequences for completing activities of daily living, integrating within the community, and finding opportunities for employment, as well as a considerable economic impact on affected individuals, their families and the health care system. Our research seeks to address these issues by developing technology that can assist functional recovery after damage to the nervous system. Our approach is to develop rehabilitation technology that can adapt to short- and long-term changes in the user’s neuromuscular system. In order to this, it is necessary to improve our ability to extract information from the nervous system. We conduct projects ranging from direct interfaces with peripheral nerves for monitoring neural signals, to wearable sensors that can capture a person’s interactions with the world around them. We aim to develop tools that can provide detailed information about movement control and performance in varied contexts from the clinic to the community, with areas of application including: neuroprostheses (such as implanted and non-invasive closed-loop functional electrical stimulation systems), the evaluation and optimization of neurorehabilitation interventions (including pharmacological agents, rehabilitation robotics, and clinical programs), and basic neuroscience.

近期论文

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J. Zariffa , J.D. Steeves and D.K. Pai, “Changes in hand muscle synergies in subjects with spinal cord injury: characterization and functional implications “, Journal of Spinal Cord Medicine , 35(5): 310-318, 2012 J. Zariffa , N. Kapadia, J.L.K. Kramer, P. Taylor, M. Alizadeh-Meghrazi, V. Zivanovic, U. Albisser, R. Willms, A. Townson, A. Curt, M.R. Popovic and J.D. Steeves, “Relationship between clinical assessments and measurements from an upper-limb robotic rehabilitation device in a population with spinal cord injury”, IEEE Transactions on Neural Systems and Rehabilitation Engineering , 20(3):341-350, 2012. J. Zariffa , J.D. Steeves and D.K. Pai, “Muscle tension estimation in the presence of neuromuscular impairment”, Journal of Biomechanical Engineering , 133(12):121009, 2011. J. Zariffa , N. Kapadia, J.L.K. Kramer, P. Taylor, M. Alizadeh-Meghrazi, V. Zivanovic, R. Willms, A. Townson, A. Curt, M.R. Popovic and J.D. Steeves, “Feasibility and efficacy of upper limb robotic rehabilitation in a subacute cervical SCI population”, Spinal Cord , 50: 220-226, 2012. J. Zariffa , M.K. Nagai, M. Schuettler, T. Stieglitz, Z.J. Daskalakis and M.R. Popovic, “Use of an experimentally derived leadfield in the peripheral nerve pathway discrimination problem”, IEEE Transactions on Neural Systems and Rehabilitation Engineering , 19(2):147-156, 2011. J. Zariffa , M.K. Nagai, Z.J. Daskalakis and M.R. Popovic, “Influence of the number and location of recording contacts on the selectivity of a nerve cuff electrode”, IEEE Transactions on Neural Systems and Rehabilitation Engineering , 17(5):420-427, 2009.