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Christian Ethier
Professeur agrégé
Centre thématique de recherche en neurosciences
Centre de recherche CERVO
Contribution à la recherche
Thématiques de recherche de la Faculté de médecine
- Bioinformatique / données massives (big data)
- Médecine régénératrice et médecine moléculaire
- Neurosciences et santé mentale
- Perte d’autonomie et réadaptation
Domaines de recherche
- Neurosciences sensorimotrices
- Neurosciences computationnelles
- Neurosciences comportementales de la récompense et de la motivation
- Traitement du signal biomédical
- Génie médical et biomédical, n.c.a.
Projets de recherche en cours
- Closed-Loop Brain-Computer Interface for Precise Optogenetic Muscle Control - Conseil de recherches en sciences naturelles et génie Canada - Subventions à la découverte SD (individuelles et d'équipe), chercheur principal - 2025-04-01 au 2030-03-31
- Influence of Dopamine on Motor Learning and Stroke Recovery - Instituts de recherche en santé du Canada - Subvention Projet, chercheur principal - 2022-10-01 au 2027-09-30
- La neuromodulation pour guider la plasticité dans le système moteur chez le rat - Fonds de recherche du Québec - Santé - Chercheur-boursier Juniors 1 et 2, Seniors, chercheur principal - 2023-07-01 au 2025-06-30
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Financements des 2 dernières années
- Influence de la dopamine sur la plasticité du cortex moteur - Fondation Canadienne pour l'innovation (La), Ministère de la Santé et des Services sociaux - Fonds des leaders John-R.-Evans (FLJR), chercheur principal - 2023-06-01 au 2024-05-31
- In Vivo Validation of a Wireless Fiber Photometry System - MITACS Inc. - Accélération Québec (MITACS et gouvernement provincial), chercheur principal - 2023-02-20 au 2024-03-31
- Sex-Differences in Dopaminergic Regulation of Stroke Recovery in Rats - Brain Canada Foundation, chercheur principal - 2022-04-01 au 2024-03-31
- Plateforme électro-optique intelligente pour le contrôle neuronal en boucle fermée chez les animaux en mouvement libre - Fonds de recherche du Québec - Nature et technologies - Projet de recherche en équipe, co-chercheur - 2020-04-01 au 2023-03-31
- Dopaminergic modulation of stroke recovery - Brain Canada Foundation, chercheur principal - 2020-11-01 au 2022-10-31
- Neuroelectronic and optogenetic stimulation for the precise control of corticospinal plasticity - Secrétariat Inter-Conseils (Canada) (CRSH, CRSNG, IRSC), Conseil de recherches en sciences naturelles et génie Canada - Subventions à la découverte SD (individuelles et d'équipe), chercheur principal - 2017-04-01 au 2022-03-31
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Publications
- Brain-controlled muscle stimulation for the restoration of motor function, Lee E. Miller, Christian Ethier, Neurobiology of Disease, 2015, 10.1016/j.nbd.2014.10.014
- Paired Associative Stimulation Fails to Induce Plasticity in Freely Behaving Intact Rats, Christian Ethier, Maxime Huot-Lavoie, Windsor Kwan-Chun Ting, 2019, 10.1101/765636
- On the Nature of the Intrinsic Connectivity of the Cat Motor Cortex: Evidence for a Recurrent Neural Network Topology, Denis Gingras, Carl van Vreeswijk, Attila Sik, Laurent Brizzi, Christian Ethier, Charles Capaday, Journal of Neurophysiology, 2009, 10.1152/jn.91319.2008
- Brain-controlled neuromuscular stimulation to drive neural plasticity and functional recovery, LE Miller, JA Gallego, C Ethier, Current Opinion in Neurobiology, 2015, 10.1016/j.conb.2015.03.007
- Local field potentials allow accurate decoding of muscle activity, , Journal of neurophysiology, 2012
- On the nature of the intrinsic connectivity of the cat motor cortex: evidence for a recurrent neural network topology, , Journal of neurophysiology, 2009
- Continuous state-dependent decoders for brain machine interfaces, Lee E. Miller, Nicholas A. Sachs, Christian Ethier, 2011 5th International IEEE/EMBS Conference on Neural Engineering, 1911, 10.1109/ner.2011.5910589
- Statistical signal processing for neuroscience and neurotechnology, , 2010
- On the soleus H-reflex modulation pattern during walking, Charles Capaday, Visal Ung, Marie-Andr�e Imbeault, Christian Ethier, Experimental Brain Research, 2003, 10.1007/s00221-003-1532-3
- Electrical conduction block in large nerves: High-frequency current delivery in the nonhuman primate, Kevin L. Kilgore, Lee Miller, Niloy Bhadra, Matt Bauman, Dustin Tyler, Emily R. Oby, Emily L. Foldes, Christian Ethier, D. Michael Ackermann, Muscle Nerve, 2011, 10.1002/mus.22037
- On the Potential Role of the Corticospinal Tract in the Control and Progressive Adaptation of the Soleus H-Reflex During Backward Walking, Charles Capaday, Laurent Brizzi, Christian Ethier, Marie-Andrée Imbeault, Roth-Visal Ung, Journal of Neurophysiology, 2005, 10.1152/jn.00181.2005
- Movement representation in the primary motor cortex and its contribution to generalizable EMG predictions, , Journal of neurophysiology, 2013
- EMG Prediction From Motor Cortical Recordings via a Nonnegative Point-Process Filter, L. E. Miller, R. C. Miall, J. M. Rebesco, L. Paninski, C. Ethier, K. Nazarpour, IEEE Transactions on Biomedical Engineering, 2012, 10.1109/tbme.2011.2159115
- Multiple tasks viewed from the neural manifold: Stable control of varied behavior, Lee E. Miller, Sara A. Solla, Christian Ethier, Stephanie N. Naufel, Juan A. Gallego, Matthew G. Perich, 2017, 10.1101/176081
- Cortical population activity within a preserved neural manifold underlies multiple motor behaviors., Lee E. Miller, Solla SA, Christian Ethier, Naufel SN, Matthew G Perich, Juan A. Gallego, Nature communications, 2018, 10.1038/s41467-018-06560-z
- Linear summation of cat motor cortex outputs, , The Journal of neuroscience, 2006
- Assessment of Corticospinal Excitability in Awake Rodents Using EMG-Controlled Intracortical Stimulation, Derek Burns, Windsor Ting, Christian Ethier, Maxime Huot-Lavoie, BIO-PROTOCOL, 2021, 10.21769/bioprotoc.4267
- Corticospinal control of antagonistic muscles in the cat, Charles Capaday, Dominic Giguère, Laurent Brizzi, Christian Ethier, European Journal of Neuroscience, 2007, 10.1111/j.1460-9568.2007.05778.x
- The comparable size and overlapping nature of upper limb distal and proximal muscle representations in the human motor cortex, Charles Capaday, André Thevenon, Laurent Brizzi, Christian Ethier, François Cassim, Hervé Devanne, European Journal of Neuroscience, 2006, 10.1111/j.1460-9568.2006.04760.x
- Neurostimulation for Stroke Rehabilitation, Christian Ethier, Shirley Fecteau, Faïza Abdou-Rahaman Fadul, Windsor Kwan-Chun Ting, Frontiers in Neuroscience, 2021, 10.3389/fnins.2021.649459
- Nerve cuff stimulation and the effect of fascicular organization for hand grasp in nonhuman primates, , Engineering in Medicine and Biology Society, 2009. EMBC 2009. Annual International Conference of the IEEE, 2009
- Adaptive neuron-to-EMG decoder training for FES neuroprostheses, Lee E Miller, Sara A Solla, Daniel Acuna, Christian Ethier, Journal of Neural Engineering, 2016, 10.1088/1741-2560/13/4/046009
- Comparing offline decoding performance in physiologically defined neuronal classes, Nicholas G Hatsopoulos, Lee E Miller, Christian Ethier, Aaron J Suminski, Kazutaka Takahashi, Matthew D Best, Journal of Neural Engineering, 2016, 10.1088/1741-2560/13/2/026004
- Advanced User Interfaces for Upper Limb Functional Electrical Stimulation, , Introduction to Neural Engineering for Motor Rehabilitation, 2013
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A 0.13-
$\mu\text{m}$ - Development of biomimetic cortical interfaces for the restoration of sensorimotor function, Christian Ethier, 1911
- Getting a grip on spinal cord injury: a novel application of a brain machine interface, , Statistical Signal Processing for Neuroscience and Neurotechnology, edited by O'Weiss KG. New York: Academic Press Elsevier, 2010
- A Wireless Electro-Optic Headstage With a 0.13-${\mu}$m CMOS Custom Integrated DWT Neural Signal Decoder for Closed-Loop Optogenetics, Benoit Gosselin, Yves De Koninck, Christian Ethier, Iason Keramidis, Gabriel Gagnon-Turcotte, IEEE Transactions on Biomedical Circuits and Systems, 2019, 10.1109/TBCAS.2019.2930498
- Prediction of Muscle Activity from Cortical Signals to Restore Hand Grasp in Subjects with Spinal Cord Injury, Lee E. Miller, Jason H. Ko, Eric J. Perreault, Matthew J. Bauman, Christian Ethier, Emily R. Oby, Statistical Signal Processing for Neuroscience and Neurotechnology, 2010, 10.1016/b978-0-12-375027-3.00011-9
- Nerve cuff stimulation and the effect of fascicular organization for hand grasp in nonhuman primates, D. Tyler, L. Miller, C. Ethier, E. Oby, K. Polasek, N. Brill, 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2009, 10.1109/iembs.2009.5332395
- Restoration of grasp following paralysis through brain-controlled stimulation of muscles, L. E. Miller, M. J. Bauman, E. R. Oby, C. Ethier, Nature, 2012, 10.1038/nature10987
- Brain-controlled muscle stimulation for the restoration of motor function, , Neurobiology of disease, 2014
- Propriétés fonctionnelles et organisation du cortex moteur chez le chat, , 2007
- A Wireless Electro-Optic Platform for Multimodal Electrophysiology and Optogenetics in Freely Moving Rodents, Benoit Gosselin, Christian Ethier, Yves De Koninck, Igor Timofeev, Iason Keramidis, Léonard L. Gagnon, Gabriel Gagnon-Turcotte, Guillaume Bilodeau, Frontiers in Neuroscience, 2021, 10.3389/fnins.2021.718478
- Paired Associative Stimulation Fails to Induce Plasticity in Freely Behaving Intact Rats, Christian Ethier, Maxime Huot-Lavoie, Windsor Kwan-Chun Ting, eneuro, 2020, 10.1523/eneuro.0396-19.2020
- Impaired Motor Learning Following a Pain Episode in Intact Rats, Christian Ethier, Catherine Mercier, Maxime Demers, Windsor Kwan-Chun Ting, Maxime Huot-Lavoie, Frontiers in Neurology, 2019, 10.3389/fneur.2019.00927
- Interchangeable Role of Motor Cortex and Reafference for the Stable Execution of an Orofacial Action, Martin Deschênes, Christian Ethier, David Kleinfeld, Maxime Demers, Michaël ELBAZ, The Journal of Neuroscience, 2023, 10.1523/jneurosci.2089-22.2023
- Advanced User Interfaces for Upper Limb Functional Electrical Stimulation, Lee E. Miller, Eric J. Perreault, Konrad Kording, Emily R. Oby, Christian Ethier, Elaine A. Corbett, Introduction to Neural Engineering for Motor Rehabilitation, 2013, 10.1002/9781118628522.ch19
- Movement representation in the primary motor cortex and its contribution to generalizable EMG predictions, Lee E. Miller, Christian Ethier, Emily R. Oby, Journal of Neurophysiology, 2013, 10.1152/jn.00331.2012
- A Wireless Electro-Optic Headstage with Digital Signal Processing and Data Compression for Multimodal Electrophysiology and Optogenetic Stimulation, B. Gosselin, I. Timofeev, C. Ethier, L. L. Gagnon, G. Gagnon-Turcotte, G. Bilodeau, 2020 IEEE International Symposium on Circuits and Systems (ISCAS), 2020, 10.1109/iscas45731.2020.9180912
- Neural mechanism of activity spread in the cat motor cortex and its relation to the intrinsic connectivity, Doug Weber, Jesper Ferkinghoff-Borg, Christian Ethier, Carl van Vreeswijk, Charles Capaday, The Journal of Physiology, 2011, 10.1113/jphysiol.2011.206938
- On the potential role of the corticospinal tract in the control and progressive adaptation of the soleus H-reflex during backward walking, , Journal of Neurophysiology, 2005
- Restoration of grasp following paralysis through brain-controlled stimulation of muscles, , Nature, 2012
- Intrafascicular stimulation of monkey arm nerves evokes coordinated grasp and sensory responses, , Journal of neurophysiology, 2013
- On the functional organization and operational principles of the motor cortex, Warren G. Darling, Carl Van Vreeswijk, Christian Ethier, Charles Capaday, Front. Neural Circuits, 2013, 10.3389/fncir.2013.00066
- Local field potentials allow accurate decoding of muscle activity, Marc W. Slutzky, Lee E. Miller, Emily R. Oby, Christian Ethier, Robert D. Flint, Journal of Neurophysiology, 2012, 10.1152/jn.00832.2011
- EMG prediction from motor cortical recordings via a nonnegative point-process filter, , Biomedical Engineering, IEEE Transactions on, 2012
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Contribution à l'enseignement aux cycles supérieurs
Étudiant(e)s dirigé(e)s*
Depuis 2020/04- Cindy Ouellet - Doctorat - En cours
- Vincent Savard - Maîtrise avec mémoire - En cours
- Zohreh Vaziri - Doctorat - En cours
- Deepshikha Sen - Doctorat - En cours
- Guillaume Bilodeau - Doctorat - En cours
- Frédéric Dagenais - Maîtrise avec mémoire - En cours
- Aoxue Miao - Doctorat - En cours
- Quentin Lejeune - Maîtrise avec mémoire - 2021/05
- Windsor Kwan-Chun Ting - Doctorat - 2022/01
Encadrement d'étudiant(e)s
Direction de recherche dans les domaines suivants :
- Neurobiologie — Neurosciences
En savoir plus sur les programmes
Disponibilité d'encadrement d'étudiant(e)s
Ce (cette) professeur(e) est présentement à la recherche d'étudiant(e)s.
Envoyer un courriel*Les supervisions d’étudiant(e)s de 1er cycle en
stage de recherche et de résident(e)s aux études médicales postdoctorales seront répertoriées
ultérieurement.