Stéphanie Lacour

Publications associées (122)

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Radiation Performance of Antennas Implanted in Small Animals for Neuroengineering

Anja Skrivervik, Stéphanie Lacour, Mingxiang Gao, Zvonimir Sipus, Kangling Wu, James Daniel Rosenthal

Wireless data communication could improve the performance and reliability of biomedical implants used in fundamental neuroscience research by removing infection-prone transcutaneous cabling. The small size of common research animals like mice and rodents, ...

IEEE2023

A low-profile electromechanical packaging system for soft-to-flexible bioelectronic interfaces

Stéphanie Lacour, Giuseppe Schiavone, Florent-Valéry Coen, Alix Esther Anne Trouillet, Florian Dylan Fallegger

Interfacing the human body with the next generation of electronics requires technological advancement in designing and producing bioelectronic circuits. These circuits must integrate electrical functionality while simultaneously addressing limitations in m ...

2023

Neural Stimulation Hardware for the Selective Intrafascicular Modulation of the Vagus Nerve

Silvestro Micera, Stéphanie Lacour, Valentina Marie Paggi

The neural stimulation of the vagus nerve is able to modulate various functions of the parasympathetic response in different organs. The stimulation of the vagus nerve is a promising approach to treating inflammatory diseases, obesity, diabetes, heart fail ...

Ieee-Inst Electrical Electronics Engineers Inc2023

Radiation Patterns of RF Wireless Devices Implanted in Small Animals: Unexpected Deformations Due to Body Resonance

Anja Skrivervik, Stéphanie Lacour, Mingxiang Gao, Zvonimir Sipus, German Augusto Ramirez Arroyave, Kangling Wu, James Daniel Rosenthal

One challenge in designing RF wireless bioelectronic devices is the impact of the interaction between electromagnetic waves and host body tissues on far-field wireless performance. In this paper, we investigate a peculiar phenomenon of implantable RF wirel ...

2023

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

Auke Ijspeert, Silvestro Micera, Stéphanie Lacour, Grégoire Courtine, Jocelyne Bloch, Eduardo Martin Moraud, Jordan Squair, Giuseppe Schiavone, Léonie Asboth, Tomislav Milekovic

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

Deployment of an electrocorticography system with a soft robotic actuator

Stéphanie Lacour, Alix Esther Anne Trouillet, Kyungjin Kim, Florian Dylan Fallegger, Sukho Song

Electrocorticography (ECoG) is a minimally invasive approach frequently used clinically to map epileptogenic regions of the brain and facilitate lesion resection surgery and increasingly explored in brain-machine interface applications. Current devices dis ...

AMER ASSOC ADVANCEMENT SCIENCE2023

Subdural Soft Electrocorticography (ECoG) Array Implantation and Long-Term Cortical Recording in Minipigs

Stéphanie Lacour, Alix Esther Anne Trouillet, Florian Dylan Fallegger

Neurological impairments and diseases can be diagnosed or treated using electrocorticography (ECoG) arrays. In drug-resistant epilepsy, these help delineate the epileptic region to resect. In long-term applications such as brain-computer interfaces, these ...

JOURNAL OF VISUALIZED EXPERIMENTS2023

A stretchable sensor for force estimation in soft wearable robots

Stéphanie Lacour, Haotian Chen

Soft wearable robots to assist human movements, such as exosuits, have rapidly gained attention thanks to their compliance, low weight and accessibility. However, force measurement in exosuits still rely on load cells and rigid sensors that are not wearabl ...

IEEE2022

A finite element model of the mechanical interactions between peripheral nerves and intrafascicular implants

Silvestro Micera, Stéphanie Lacour, Outman Akouissi

Objective. Intrafascicular peripheral nerve implants are key components in the development of bidirectional neuroprostheses such as touch-enabled bionic limbs for amputees. However, the durability of such interfaces is hindered by the immune response follo ...

IOP Publishing Ltd2022

Wireless closed-loop optogenetics across the entire dorsoventral spinal cord in mice

Stéphanie Lacour, Grégoire Courtine, Quentin Barraud, Léonie Asboth, Ileana Ozana Jelescu, Ivan Furfaro, Kyungjin Kim, Jérôme Gandar, Frédéric Pierre Gérald Michoud, Claudia Kathe

Optoelectronic systems can exert precise control over targeted neurons and pathways throughout the brain in untethered animals, but similar technologies for the spinal cord are not well established. In the present study, we describe a system for ultrafast, ...

NATURE PORTFOLIO2022

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