Publication

Stance- and locomotion-dependent processing of vibration-induced proprioceptive inflow from multiple muscles in humans

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Evaluation of antigravitational support levels provided by a passive upper-limb occupational exoskeleton in repetitive arm movements

Upper-limb occupational exoskeletons to support the workers' upper arms are typically designed to provide antigravitational support. Although typical work activities require workers to perform static and dynamic actions, the majority of the studies in lite ...

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Understanding motor control and impairment: An upper-limb model for muscular assessment

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The human upper limb is a complex musculoskeletal system that can still perform various tasks with impressive efficacy thanks to the ability of the central nervous system to control and modulate the activation of more than 40 muscles.Stroke is a leading ca ...

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Design and Development of a Humanoid Facial Robot Setup

Facial paralysis can occur from different conditions, the most common ones being Bell’s palsy and stroke. Bell’s palsy can result from different virus infections including herpesviruses, adenovirus, influenza B, etc. It affects close to 1.6million people p ...

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Combining Reflexes and External Sensory Information in a Neuromusculoskeletal Model to Control a Quadruped Robot

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This article examines the importance of integrating locomotion and cognitive information for achieving dynamic locomotion from a viewpoint combining biology and ecological psychology. We present a mammalian neuromusculoskeletal model from external sensory ...

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A Muscle-Reflex Model of Forelimb and Hindlimb of Felidae Family of Animal with Dynamic Pattern Formation Stimuli

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Human and animal locomotion are controlled by complex neural circuits, which can also serve as inspiration for designing locomotion controllers for dynamic locomotion in legged robots. We develop a locomotion controller model including a central pattern ge ...

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Muscle activities in similar arms performing identical tasks reveal the neural basis of muscle synergies

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Are the muscle synergies extracted from multiple electromyographic signals an expression of neural information processing, or rather a by-product of mechanical and task constraints? To address this question, we asked 41 right-handed adults to perform a var ...

SPRINGER2019

Detection of movement onset using EMG signals for upper-limb exoskeletons in reaching tasks

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BackgroundTo assist people with disabilities, exoskeletons must be provided with human-robot interfaces and smart algorithms capable to identify the user's movement intentions. Surface electromyographic (sEMG) signals could be suitable for this purpose, bu ...

BMC2019

Non-invasive, Brain-controlled Functional Electrical Stimulation for Locomotion Rehabilitation in Individuals with Paraplegia

Mohamed Bouri, Solaiman Shokur, Miguel Nicolelis

Spinal cord injury (SCI) impairs the flow of sensory and motor signals between the brain and the areas of the body located below the lesion level. Here, we describe a neurorehabilitation setup combining several approaches that were shown to have a positive ...

2019

Automatic clustering of spinal reflexes evoked by epidural electrical stimulation of the cervical spinal cord in non-human primates

Stéphanie Lacour, Grégoire Courtine, Jocelyne Bloch, Marco Capogrosso, Giuseppe Schiavone, Beatrice Barra, Katie Zhi Zhuang, Sara Conti

Epidural electrical stimulation of the spinal cord elicits motor responses by recruiting large sensory afferents in the posterior roots. Divergence of excitatory inputs provided by these fibers generates a variety of shapes, latencies and amplitudes in the ...

2019

Electrical spinal cord stimulation must preserve proprioception to enable locomotion in humans with spinal cord injury

Silvestro Micera, Grégoire Courtine, Jocelyne Bloch, Marco Capogrosso, Fabien Bertrand Paul Wagner, Jean-Baptiste Mignardot, Emanuele Formento, Karen Minassian, Andreas Rowald, Camille Georgette Marie Le Goff-Mignardot

Epidural electrical stimulation (EES) of the spinal cord restores locomotion in animal models of spinal cord injury but is less effective in humans. Here we hypothesized that this interspecies discrepancy is due to interference between EES and propriocepti ...

2018

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