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Silvestro Micera

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Publications associées (314)

The neural resource allocation problem when enhancing human bodies with extra robotic limbs

Solaiman Shokur, Silvestro Micera, Giulia Dominijanni

The emergence of robotic body augmentation provides exciting innovations that will revolutionize the fields of robotics, human-machine interaction and wearable electronics. Although augmentative devices such as extra robotic arms and fingers are informed b ...

NATURE PORTFOLIO2021

MorphoSONIC: A morphologically structured intramembrane cavitation model reveals fiber-specific neuromodulation by ultrasound

Théo Lemaire, Silvestro Micera, Esra Neufeld, Elena Vicari

Low-Intensity Focused Ultrasound Stimulation (LIFUS) holds promise for the remote modulation of neural activity, but an incomplete mechanistic characterization hinders its clinical maturation. Here we developed a computational framework to model intramembr ...

CELL PRESS2021

Brain reactions to the use of sensorized hand prosthesis in amputees

Fabrizio Vecchio, Edoardo D'Anna, Silvestro Micera, Stanisa Raspopovic, Francesco Maria Petrini, Ivo Strauss, Giacomo Valle, Francesco Iberite

Objective We investigated for the first time the presence of chronic changes in the functional organization of sensorimotor brain areas induced by prolonged training with a bidirectional hand prosthesis. Methods A multimodal neurophysiological and neuroima ...

2020

Ultrasound Stimulations Induce Prolonged Depolarization and Fast Action Potentials in Leech Neurons

Théo Lemaire, Silvestro Micera

Objective: Ultrasound (US) stimulation carries the promise of a selective, reversible, and non-invasive modulation of neural activity without the need for genetic manipulation of neural structures. However, the mechanisms of US-induced generation of action ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020

A multimodal approach to capture post-stroke temporal dynamics of recovery

Dimitri Nestor Alice Van De Ville, Jenifer Cléa Miehlbradt, Nawal Noëlle Kinany, Elvira Pirondini, Silvestro Micera, Martina Coscia, Christian Giang, Camilla Pierella

Objective.Several training programs have been developed in the past to restore motor functions after stroke. Their efficacy strongly relies on the possibility to assess individual levels of impairment and recovery rate. However, commonly used clinical scal ...

2020

Tandem electrospinning for heterogeneous nanofiber patterns

Silvestro Micera

Smart nanofibrillar constructs can be a promising technological solution for many emerging and established fields, facilitating the potential impact of nano-scale strategies to address relevant technological challenges. As a fabrication technique, electros ...

IOP PUBLISHING LTD2020

Advanced Neurotechnologies for the Restoration of Motor Function

Silvestro Micera, Friedhelm Christoph Hummel

Stroke is one of the leading causes of long-term disability. Advanced technological solutions ("neurotechnologies'') exploiting robotic systems and electrodes that stimulate the nervous system can increase the efficacy of stroke rehabilitation. Recent stud ...

2020

Tutorial: a computational framework for the design and optimization of peripheral neural interfaces

Silvestro Micera, Giacomo Valle, Simone Romeni

Peripheral neural interfaces have been successfully used in the recent past to restore sensory-motor functions in disabled subjects and for the neuromodulation of the autonomic nervous system. The optimization of these neural interfaces is crucial for ethi ...

NATURE RESEARCH2020

Cortical plasticity after hand prostheses use: Is the hypothesis of deafferented cortex "invasion" always true?

Pablo Garcia del Valle, Edoardo D'Anna, Silvestro Micera, Stanisa Raspopovic, Francesco Maria Petrini, Ivo Strauss, Giacomo Valle, Francesco Iberite

Objective: To study motor cortex plasticity after a period of training with a new prototype of bidirectional hand prosthesis in three left trans-radial amputees, correlating these changes with the modification of Phantom Limb Pain (PLP) in the same period. ...

ELSEVIER IRELAND LTD2020

A One-Step Biofunctionalization Strategy of Electrospun Scaffolds Enables Spatially Selective Presentation of Biological Cues

Silvestro Micera

To recapitulate the heterogeneous complexity of tissues in the human body with synthetic mimics of the extracellular matrix (ECM), it is important to develop methods that can easily allow the selective functionalization of defined spatial domains. Here, a ...

Wiley2020

Cortical plasticity after bionic hand prostheses: is the "invasion" hypothesis of deafferented cortex always true?

Pablo Garcia del Valle, Silvestro Micera, Giacomo Valle, Francesco Iberite

WILEY2020

Cortical connectivity and spectral perturbations underlying TENS stimulation of hand nerves: a case study

Edoardo D'Anna, Silvestro Micera, Fiorenzo Artoni

The major challenge in upper limbs neuroprosthetic improvement is the implementation of effective sensory feedback. Transcutaneous electrical nerve stimulation (TENS) of the median and ulnar nerves confirmed, with electroencephalographic (EEG) recordings, ...

IEEE2020

A biomimetic electrical stimulation strategy to induce asynchronous stochastic neural activity

Sandra Gribi, Edoardo D'Anna, Stéphanie Lacour, Silvestro Micera, Emanuele Formento

Objective.Electrical stimulation is an effective method for artificially modulating the activity of the nervous system. However, current stimulation paradigms fail to reproduce the stochastic and asynchronous properties of natural neural activity. Here, we ...

2020

A versatile robotic platform for the design of natural, three-dimensional reaching and grasping tasks in monkeys

Aude Billard, Sophie Marie Marthe Wurth, Marion Aimée Geneviève Badi-Dubois, Silvestro Micera, Marco Capogrosso, Seyed Sina Mirrazavi Salehian, Sara Conti

Objective. Translational studies on motor control and neurological disorders require detailed monitoring of sensorimotor components of natural limb movements in relevant animal models. However, available experimental tools do not provide a sufficiently ric ...

IOP PUBLISHING LTD2020

Direct activation of zebrafish neurons by ultrasonic stimulation revealed by whole CNS calcium imaging

Silvestro Micera

Objective. Ultrasounds (US) use in neural engineering is so far mainly limited to ablation through high intensity focused ultrasound, but interesting preliminary results show that low intensity low frequency ultrasound could be used instead to modulate neu ...

2020

High gamma response tracks different syntactic structures in homophonous phrases

Silvestro Micera, Fiorenzo Artoni

Syntax is a species-specific component of human language combining a finite set of words in a potentially infinite number of sentences. Since words are by definition expressed by sound, factoring out syntactic information is normally impossible. Here, we c ...

Nature Research2020

Deep learning-based BCI for gait decoding from EEG with LSTM recurrent neural network

Silvestro Micera, Fiorenzo Artoni, Stefano Tortora

Objective.Mobile Brain/Body Imaging (MoBI) frameworks allowed the research community to find evidence of cortical involvement at walking initiation and during locomotion. However, the decoding of gait patterns from brain signals remains an open challenge. ...

IOP PUBLISHING LTD2020

Soft Embodiment for Engineering Artificial Limbs

Silvestro Micera

We highlight two alternative, yet complementary, solutions for har-nessing available neural resources for improving integration of artificial limbs (ALs) through embodiment. 'Hard' embodiment exploits neural and cognitive body mechanisms by closely mimicki ...

ELSEVIER SCIENCE LONDON2020

Morphological Neural Computation Restores Discrimination of Naturalistic Textures in Trans-radial Amputees

Fabrizio Vecchio, Silvestro Micera, Francesco Maria Petrini, Ivo Strauss, Giacomo Valle, Roberto Puddu, Simone Romeni

Humans rely on their sense of touch to interact with the environment. Thus, restoring lost tactile sensory capabilities in amputees would advance their quality of life. In particular, texture discrimination is an important component for the interaction wit ...

Nature Research2020

Neural signal recording and processing in somatic neuroprosthetic applications. A review

Silvestro Micera, Stanisa Raspopovic, Andrea Cimolato

Neurointerfaces have acquired major relevance as both rehabilitative and therapeutic tools for patients with spinal cord injury, limb amputations and other neural disorders. Bidirectional neural interfaces are a key component for the functional control of ...

ELSEVIER2020

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