Concept

Phosphene

Related publications (27)

Soft Three-dimensional self-opening intraneural peripheral interface for optic nerve stimulation

Diego Ghezzi, Eleonora Borda, Marta Jole Ildelfonsa Airaghi Leccardi

Retinitis Pigmentosa and age-related macular degeneration are two of the principal causes of blindness in industrialized countries, for which there is still no established prevention, treatment or cure. In the past decade, retinal prostheses emerged as pro ...

2018

Non-invasive brain stimulation of motor cortex induces embodiment when integrated with virtual reality feedback

Olaf Blanke, Andrea Serino, Marco Solcà, Javier Bello Ruiz, Matteo Franza, Thomas Schmidlin, Mattia Pinardi, Marianne Anke Stephan

Previous evidence highlighted the multisensory-motor origin of embodiment - that is, the experience of having a body and of being in control of it - and the possibility of experimentally manipulating it. For instance, an illusory feeling of embodiment towa ...

2018

Photovoltaic stimulation of retinal ganglion cells with wide-field epiretinal prosthesis

Diego Ghezzi, Kevin Sivula, Marta Jole Ildelfonsa Airaghi Leccardi, Laura Ferlauto, Naïg Aurelia Ludmilla Chenais

Retinal prostheses have become in the past decade a promising and realistic technology to restore vision. Nonetheless, sight restoration with retinal prostheses in a clinically relevant perspective requires resolution and implantation challenges not yet ac ...

2017

Hyperdimensional computing for noninvasive brain-computer interfaces: Blind and one-shot classification of EEG error-related potentials

José del Rocio Millán Ruiz

The mathematical properties of high-dimensional (HD) spaces show remarkable agreement with behaviors controlled by the brain. Computing with HD vectors, referred to as "hypervectors," is a brain-inspired alternative to computing with numbers. HD computing ...

2017

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

Biomaterials. Electronic dura mater for long-term multimodal neural interfaces

Silvestro Micera, Stéphanie Lacour, Grégoire Courtine, Eduardo Martin Moraud, Quentin Barraud, Léonie Asboth, Tomislav Milekovic, Marco Capogrosso, Pavel Musienko, Nicolas Vachicouras, Ivan Rusev Minev, Nikolaus Wenger, Jérôme Gandar, Arthur Edouard Hirsch, Natalia Pavlova, Simone Ellen Joze Duis

The mechanical mismatch between soft neural tissues and stiff neural implants hinders the long-term performance of implantable neuroprostheses. Here, we designed and fabricated soft neural implants with the shape and elasticity of dura mater, the protectiv ...

American Association for the Advancement of Science2015

Does an intraneural interface short-term implant for robotic hand control modulate sensorimotor cortical integration? An EEG-TMS co-registration study on a human amputee

Silvestro Micera, Leopoldo Rossini

Purpose: Following limb amputation, central and peripheral nervous system relays partially maintain their functions and can be exploited for interfacing prostheses. The aim of this study is to investigate, for the first time by means of an EEG-TMS co-regis ...

2014

A polymer-based interface restores light sensitivity in blind rats

Diego Ghezzi

Progressive degeneration of photoreceptors is one of the major causes of adult blindness in “industrialized” countries; as an example, Retinitis pigmentosa defines a set of monogenic hereditary retinal diseases, with a prevalence of 1:4000 worldwide, cause ...

2014

Combined use of transcranial magnetic stimulation and metal electrode implants: a theoretical assessment of safety considerations

Juan Ramon Mosig, Hossein Rouhani, Laleh Golestanirad, Kamal Shahim

This paper provides a theoretical assessment of the safety considerations encountered in the simultaneous use of transcranial magnetic stimulation (TMS) and neurological interventions involving implanted metallic electrodes, such as electrocorticography. M ...

Institute of Physics2012

Simulation of epiretinal prostheses - Evaluation of geometrical factors affecting stimulation thresholds

Philippe Renaud, Arnaud Bertsch, Willyan Hasenkamp Carreira, Sri Harsha Kasi Raj, Grégoire Cosendai

Background An accurate understanding of the electrical interaction between retinal prostheses and retinal tissue is important to design effective devices. Previous studies have used modelling approaches to simulate electric fields generated by epiretinal p ...

BioMed Central2011

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