Research
PhD
I'm actually completing my PhD at École de technologie supérieure de Montréal, at the Imaging and Orthopedics Research Laboratory (LIO).
Around half of all manual wheelchair users will develop shoulder pain caused by an articular deterioration, which is due in part to muscular fatigue. It was recently shown that a modification of the propulsion force directions could lead to a decrease of the shoulder load and reduce the risk of deterioration. However, the adoption of these force patterns by the user remains a great challenge.
We believe that a multi-sensorial feedback (haptic/visual) could lead the user to use a propulsion pattern that would minimize the shoulder load. In order to confirm this hypothesis, it is necessary to use a wheelchair simulator which reproduces the real wheelchair propulsion conditions in the most realistic way. Moreover, this simulator must have the possibility to modify the propulsion pattern of the subject in order to study which patterns are safer. This doctoral project is dedicated to the design and implementation of such a simulator.
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M.A.Sc
I completed my M.A.Sc in Applied Sciences in Microelectronics, at the Polystim Neurotechnologies Laboratory located at Ecole Polytechnique de Montreal.
Most epileptic persons are treated successfully with medication. However, some necessitate a surgical operation consisting in the removal of the epileptic focus, which is the part of the brain where the seizures start. The location of this focus changes from one person to an other and is generally hard to find. Still, the focus is known to induce a local increase of the brain activity just before the seizure.
In order to localize this growth of brain activity, an instrument which could be worn continuously by the subject and that could record the brain activity in a constant way would be helpful. In this way, the brain activity would be already recorded when the seizure happens, which could lead to the location of the focus.
The portable system developed for this master degree detects the cerebral activity in any single point of the cortex, in a totally non-invasive way. This project was a starting point for the implementation of a multichannel instrument which will cover the entire cortex. The continuation of the project is realized by students of Pr. Mohamad Sawan and Pr. Frédéric Lesage from Ecole Polytechnique de Montreal.
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