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Christian Ethier

Professeur agrégé

Christian Ethier
Centre thématique de recherche en neurosciences
Centre de recherche CERVO
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Contribution à la recherche

Axe de recherche de l'Université Laval :

Santé et bien-être durables

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 et intérêts de recherche du (de la) professeur(e) :

Neurosciences, santé mentale et toxicomanies
  • Système moteur
  • Accidents cérébrovasculaires
  • Activité nerveuse et synaptique
  • Communication neuronale et neurotransmission
  • Modélisation neuronale
  • Hémiplégie et paraplégie
  • Plasticité/régénération neuronale
Organisation et fonctions biologiques
  • Physiologie
  • Comportement biologique

Projets de recherche

  • 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
  • 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

Publications

  • 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
  • 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
  • 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
  • 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
  • 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
  • On the nature of the intrinsic connectivity of the cat motor cortex: evidence for a recurrent neural network topology, , Journal of neurophysiology, 2009
  • 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
  • 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
  • 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
  • Intrafascicular stimulation of monkey arm nerves evokes coordinated grasp and sensory responses, , Journal of neurophysiology, 2013
  • Movement representation in the primary motor cortex and its contribution to generalizable EMG predictions, , Journal of neurophysiology, 2013
  • 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
  • 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
  • Adaptive neuron-to-EMG decoder training for FES neuroprostheses, Lee E Miller, Daniel Acuna, Sara A Solla, Christian Ethier, Journal of Neural Engineering, 2016, 10.1088/1741-2560/13/4/046009
  • 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
  • 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
  • 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
  • Brain-controlled muscle stimulation for the restoration of motor function, , Neurobiology of disease, 2014
  • 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
  • Restoration of grasp following paralysis through brain-controlled stimulation of muscles, , Nature, 2012
  • 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
  • Development of biomimetic cortical interfaces for the restoration of sensorimotor function, Christian Ethier, 1911
  • 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
  • Propriétés fonctionnelles et organisation du cortex moteur chez le chat, , 2007
  • 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
  • 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
  • Multiple tasks viewed from the neural manifold: Stable control of varied behavior, Lee E. Miller, Sara A. Solla, Christian Ethier, Stephanie N. Naufel, Matthew G. Perich, Juan A. Gallego, 2017, 10.1101/176081
  • A 0.13- $\mu\text{m}$ CMOS SoC for Simultaneous Multichannel Optogenetics and Neural Recording, Benoit Gosselin, Yves De Koninck, Christian Ethier, Mehdi Noormohammadi Khiarak, Gabriel Gagnon-Turcotte, IEEE Journal of Solid-State Circuits, 2018, 10.1109/JSSC.2018.2865474
  • 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
  • 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
  • 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
  • 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
  • Linear summation of cat motor cortex outputs, , The Journal of neuroscience, 2006
  • 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
  • Advanced User Interfaces for Upper Limb Functional Electrical Stimulation, , Introduction to Neural Engineering for Motor Rehabilitation, 2013
  • 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
  • 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
  • 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
  • EMG prediction from motor cortical recordings via a nonnegative point-process filter, , Biomedical Engineering, IEEE Transactions on, 2012
  • 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
  • Statistical signal processing for neuroscience and neurotechnology, , 2010
  • 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
  • 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
  • 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
  • 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
  • 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
  • Local field potentials allow accurate decoding of muscle activity, , Journal of neurophysiology, 2012

Contribution à l'enseignement aux cycles supérieurs

Étudiant(e)s dirigé(e)s*

Depuis 2009
  • Aoxue Miao - Doctorat - En cours
  • Guillaume Bilodeau - Doctorat - En cours
  • Frédéric Dagenais - Maîtrise avec mémoire - En cours
  • Zohreh Vaziri - Doctorat - En cours
  • Deepshikha Sen - Doctorat - En cours
  • Vincent Savard - Maîtrise avec mémoire - En cours
  • Maxime Huot Lavoie - Maîtrise avec mémoire - 2020/01
  • Quentin Lejeune - Maîtrise avec mémoire - 2021/05
  • Windsor Kwan-Chun Ting - Doctorat - 2022/01

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*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.