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Artificial Vision for the Blind: Development of a High-Resolution Intracortical Visual Prosthesis
Abstract Blindness affects over 43 million people worldwide, severely impacting their daily life. Current solutions remain limited, with medical treatments often unavailable. While retinal implants have restored partial vision in some cases, their effectiveness is restricted to individuals with residual retinal function. For those with complete vision loss due to optic nerve or retinal degeneration, direct electrical stimulation of the visual cortex offers an alternative. How

Maarten Schelles
Jul 4, 20251 min read


Comparison and System Development of a Two-Coil and Three-Coil Inductive Link for Transcutaneous Power Transfer
Maarten Schelles ; Ward Lievens ; Laurens Goyvaerts ; Frederik Ceyssens ; Rikky Muller ; Michael Kraft Abstract Implantable electronic devices are powerful tools to alleviate a range of medical conditions. To minimize the risk of infections and increase patient comfort, no wires should penetrate the skin. For devices with a relatively high power consumption and located right under the skin, wireless power transfer through an inductive link is the most reliable method to ensur

Maarten Schelles
Jun 19, 20252 min read


A visual prosthesis on high-density resolution brain stimulation
Abstract A visual prosthesis can offer a new form of sight for the blind by electrically stimulating the primary visual cortex. Since the 19th century, multiple research groups have used different multi-electrode arrays to create this new form of artificial vision, both with intracortical and surface stimulation. Intracortical stimulation offers safer and lower stimulation intensities to induce dots of lights or phosphenes. However, the previously used implants are made from

Lara Merken
Sep 13, 20242 min read


Thin flexible arrays for long-term multi-electrode recordings in macaque primary visual cortex
Lara Merken, Maarten Schelles, Frederik Ceyssens, Michael Kraft and Peter Janssen Published 19 December 2022 • © 2022 The Author(s). Published by IOP Publishing Ltd Journal of Neural Engineering , Volume 19 , Number 6 Citation Lara Merken et al 2022 J. Neural Eng. 19 066039 DOI 10.1088/1741-2552/ac98e2 Abstract Objective. Basic, translational and clinical neuroscience are increasingly focusing on large-scale invasive recordings of neuronal activity. However, in large ani

Lara Merken
Dec 19, 20222 min read


Objective evaluation of stimulation artefact removal techniques in the context of neural spike sorting
Maarten Schelles, Jasper Wouters, Boateng Asamoah, Myles Mc Laughlin and Alexander Bertrand Published 9 February 2022 • © 2022 IOP Publishing Ltd Journal of Neural Engineering , Volume 19 , Number 1 Citation Maarten Schelles et al 2022 J. Neural Eng. 19 016020 DOI 10.1088/1741-2552/ac4ecf Abstract Objective . We present a framework to objectively test and compare stimulation artefact removal techniques in the context of neural spike sorting. Approach . To this end, we us

Maarten Schelles
Feb 9, 20221 min read
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