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Grégoire Courtine

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Publications associées (146)

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Materials and technologies for soft implantable neuroprostheses

Stéphanie Lacour, Grégoire Courtine

Implantable neuroprostheses are engineered systems designed to restore or substitute function for individuals with neurological deficits or disabilities. These systems involve at least one uni-or bidirectional interface between a living neural tissue and a ...

Nature Publishing Group2016

A system for planning and/or providing neurostimulation for a patient

Grégoire Courtine, Marco Capogrosso, Fabien Bertrand Paul Wagner, Vincent Delattre, Tomislav Milekovic, Flavio Raschella

The present invention relates to a system (10) for planning and/or providing neurostimulation for a patient, comprising: - a pathological spinal cord map storage module (48) for storing at least one pathological spinal cord map (49) describing the activati ...

2019

Neuromodulation/neurostimulation system for mitigating locomotor deficits of parkinson's disease, spinal cord injury (sci), stroke and/or other neurological disorders

Grégoire Courtine, Jocelyne Bloch, Jordan Squair, Eduardo Martin Moraud, Léonie Asboth, Robin Jonathan Demesmaeker, Tomislav Milekovic, Newton Cho

The present invention relates to a combined neuromodulation and/or neurostimulation system (10) for mitigating locomotor deficits of/or neuronal disorders, especially Parkinson's disease, said system (10) comprising: - at least one Deep Brain Stimulation ( ...

2023

Undirected compensatory plasticity contributes to neuronal dysfunction after severe spinal cord injury

Grégoire Courtine, Pavel Musienko, Quentin Barraud, Lucia Florinda Friedli Wittler, Janine Beauparlant

Severe spinal cord injury in humans leads to a progressive neuronal dysfunction in the chronic stage of the injury. This dysfunction is characterized by premature exhaustion of muscle activity during assisted locomotion, which is associated with the emerge ...

Oxford University Press2013

Role and modulation of various spinal pathways for human upper limb control in different gravity conditions

Lucas Antonio Francis Sylvain Represa, Constance Laure Marie Géraldine Gabrielle De Trogoff Coatallio, Emma Lise Boehly, Auke Ijspeert, Grégoire Courtine, Alice Julie Bruel, Lina Bacha

Humans can perform movements in various physical environments and positions (corresponding to different experienced gravity), requiring the interaction of the musculoskeletal system, the neural system and the external environment. The neural system is itse ...

2025

System for control of spasticity

Grégoire Courtine, Jocelyne Bloch, Fabien Bertrand Paul Wagner, Robin Jonathan Demesmaeker, Salif Axel Komi, Karen Minassian

The present invention relates to a neuromodulation/neurostimulation system (10) for the treatment of spasticity in a mammal, said system (10) comprising: - at least one control unit (12) configured and arranged to provide stimulation data, and - at least o ...

2024

A real-time platform for studying the modulatory capacity of epidural stimulation after spinal cord injury

Silvestro Micera, Grégoire Courtine, Eduardo Martin Moraud, Jérôme Gandar, Nikolaus Wenger, Pavel Musienko

Epidural electrical stimulation (EES) showed promises to improve standing and walking after neurological disorders. To date, EES has been delivered continuously, although time-dependent stimulations would likely be more efficient to activate specific subse ...

Ieee2013

Preclinical upper limb neurorobotic platform to assess, rehabilitate, and develop therapies

Silvestro Micera, Stéphanie Lacour, Grégoire Courtine, Quentin Barraud, Newton Cho, Nicholas David James, Florent-Valéry Coen, Selin Anil, Inssia Dewany

Numerous neurorehabilitative, neuroprosthetic, and repair interventions aim to address the consequences of upper limb impairments after neurological disorders. Although these therapies target widely different mechanisms, they share the common need for a pr ...

AMER ASSOC ADVANCEMENT SCIENCE2022

Selective Recruitment of Arm Motoneurons in Nonhuman Primates Using Epidural Electrical Stimulation of the Cervical Spinal Cord

Stéphanie Lacour, Grégoire Courtine, Marco Capogrosso, Jocelyne Bloch, Giuseppe Schiavone

Recovery of reaching and grasping ability is the priority for people with cervical spinal cord injury (SCI). Epidural electrical stimulation (EES) has shown promising results in improving motor control after SCI in various animal models and in humans. Nota ...

2018

Two-phase calibration of a neuroprosthetic system

Grégoire Courtine, Marco Capogrosso, Eduardo Martin Moraud, Fabien Bertrand Paul Wagner, Tomislav Milekovic, Jérôme Gandar

Methods and systems are provided for triggering electrical stimulation of a spinal cord during execution of a motor event. In one example, a method comprises monitoring motor cortex activity while execution of a desired motor movement is attempted during a ...

2018

Principles of gait encoding in the subthalamic nucleus of people with Parkinson's disease

Morgane Laurence Burri, Grégoire Courtine, Jocelyne Bloch, Eduardo Martin Moraud, Jimmy James Ravier, Carmina Andrea Galvez Solano, Charlotte Marie Jacques Moerman

Disruption of subthalamic nucleus dynamics in Parkinson's disease leads to impairments during walking. Here, we aimed to uncover the principles through which the subthalamic nucleus encodes functional and dysfunctional walking in people with Parkinson's di ...

AMER ASSOC ADVANCEMENT SCIENCE2022

Towards adaptive deep brain stimulation: clinical and technical notes on a novel commercial device for chronic brain sensing

Grégoire Courtine

Objective. Technical advances in deep brain stimulation (DBS) are crucial to improve therapeutic efficacy and battery life. We report the potentialities and pitfalls of one of the first commercially available devices capable of recording brain local field ...

IOP PUBLISHING LTD2021

MRI-Compatible and Conformal Electrocorticography Grids for Translational Research

Stéphanie Lacour, Grégoire Courtine, Giuseppe Schiavone, Florian Dylan Fallegger, Fabien Bertrand Paul Wagner, Ludovic Serex

Intraoperative electrocorticography (ECoG) captures neural information from the surface of the cerebral cortex during surgeries such as resections for intractable epilepsy and tumors. Current clinical ECoG grids come in evenly spaced, millimeter-sized elec ...

2021

Lack of additive role of ageing in nigrostriatal neurodegeneration triggered by alpha-synuclein overexpression

Grégoire Courtine, Laetitia Danielle Philippine Baud

Introduction: Parkinson's disease (PD) is a progressive neurodegenerative disorder characterized by the loss of dopaminergic neurons as well as the presence of proteinaceous inclusions named Lewy bodies. alpha synuclein (alpha-syn) is a major constituent o ...

2015

Confronting false discoveries in single-cell differential expression

Grégoire Courtine, Gioele La Manno, Quentin Barraud, Jordan Squair, Matthieu Pierre Gautier, Mark Andrew Anderson, Nicholas David James, Thomas Haynes Hutson, Claudia Kathe, Michael Alexander Skinnider, Rémi Bernard René Hudelle

Differential expression analysis of single-cell transcriptomics allows scientists to dissect cell-type-specific responses to biological perturbations. Here, the authors show that many commonly used methods are biased and can produce false discoveries. ...

Nature Portfolio2021

System for planning and/or providing neuromodulation, especially neurostimulation

Grégoire Courtine, Marco Capogrosso, Fabien Bertrand Paul Wagner, Vincent Delattre, Karen Minassian, Miroslav Caban

The present invention relates system for planning and/or providing neuromodulation (10), especially neurostimulation, comprising - a neurostimulator (24) comprising a least one electrode (22), - functional mapping module (38) configured and arranged such t ...

2019

Single-cell and spatial atlases of spinal cord injury in the Tabulae Paralytica

Grégoire Courtine, Bernard Schneider, Jocelyne Bloch, Quentin Barraud, Claudia Kathe, Matthieu Pierre Gautier, Nicholas David James, Thomas Haynes Hutson, Michael Alexander Skinnider, Achilleas Laskaratos, Michael V. Sofroniew, Nicola Aldo Regazzi

Here, we introduce the Tabulae Paralytica—a compilation of four atlases of spinal cord injury (SCI) comprising a single-nucleus transcriptome atlas of half a million cells, a multiome atlas pairing transcriptomic and epigenomic measurements within the same ...

Springer Science and Business Media LLC2024

Long-term functionality of a soft electrode array for epidural spinal cord stimulation in a minipig model

Stéphanie Lacour, Grégoire Courtine, Jocelyne Bloch, Marco Capogrosso, Giuseppe Schiavone, Florian Dylan Fallegger, Nicolas Vachicouras, Fabien Bertrand Paul Wagner, Xiaoyang Kang

Long-term biointegration of man-made neural interfaces is influenced by the mechanical properties of the implant materials. Substantial experimental work currently aims at replacing conventional hard implant materials with soft alternatives that can favour ...

IEEE2018

A spinal cord neuroprosthesis for locomotor deficits due to Parkinson's disease

Jean François Pierre Laurens, Auke Ijspeert, Silvestro Micera, Stéphanie Lacour, Grégoire Courtine, Marco Capogrosso, Jocelyne Bloch, Giuseppe Schiavone, Elvira Pirondini, Jordan Squair, Eduardo Martin Moraud, Léonie Asboth, Robin Jonathan Demesmaeker, Tomislav Milekovic, Jimmy James Ravier, Jean-Baptiste Mignardot, Flavio Raschella, Simon Borgognon, Alice Julie Bruel, Carmina Andrea Galvez Solano, Camille Georgette Marie Le Goff-Mignardot, Charlotte Marie Jacques Moerman, David Allenson Borton, Grégory Didier Dumont, Sergio Daniel Hernandez, Nicolò Macellari, Shiqi Sun

People with late-stage Parkinson's disease (PD) often suffer from debilitating locomotor deficits that are resistant to currently available therapies. To alleviate these deficits, we developed a neuroprosthesis operating in closed loop that targets the dor ...

Nature Portfolio2023

Walking naturally after spinal cord injury using a brain-spine interface

Cathal John Harte, Nadine Intering, Grégoire Courtine, Jocelyne Bloch, Léonie Asboth, Robin Jonathan Demesmaeker, Salif Axel Komi, Jimmy James Ravier, Henri Charles Alexandre Lorach, Carmina Andrea Galvez Solano, Grégory Didier Dumont, Edeny Baaklini, Sergio Daniel Hernandez, Thibault Jean Etienne Collin, Icare Sakr

A spinal cord injury interrupts the communication between the brain and the region of the spinal cord that produces walking, leading to paralysis(1,2). Here, we restored this communication with a digital bridge between the brain and spinal cord that enable ...

NATURE PORTFOLIO2023