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research article

Optimization frameworks for bespoke sensory encoding in neuroprosthetics

Leong, Franklin  
•
Micera, Silvestro  
•
Shokur, Solaiman  
May 20, 2025
APL Bioengineering

Restoring natural sensation via neuroprosthetics relies on the possibility of encoding complex and nuanced information. For example, an ideal brain–machine interface with sensory feedback would provide the user with sensation about movement, pressure, curvature, texture, etc. Despite advances in neural interfaces that allow for complex stimulation patterns (e.g., multisite stimulation or the possibility of targeting a precise neural ensemble), a key question remains: How can we best exploit the potential of these technologies? The increasing number of electrodes coupled with more parameters being explored leads to an exponential increase in the number of possible combinations, making a brute-force approach, such as systematic search, impractical. This Perspective outlines three different optimization frameworks—namely, the explicit, physiological, and self-optimized methods—allowing one to potentially converge faster toward effective parameters. Although our focus will be on the somatosensory system, these frameworks are flexible and applicable to various sensory systems (e.g., vision) and stimulator types.

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Type
research article
DOI
10.1063/5.0249434
Author(s)
Leong, Franklin  

École Polytechnique Fédérale de Lausanne

Micera, Silvestro  

École Polytechnique Fédérale de Lausanne

Shokur, Solaiman  

École Polytechnique Fédérale de Lausanne

Date Issued

2025-05-20

Publisher

AIP Publishing

Published in
APL Bioengineering
Volume

9

Issue

2

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
TNE  
FunderFunding(s)Grant NumberGrant URL

Swiss national Science Foundation

10.003.473

Horizon Europe

101092612

Available on Infoscience
May 22, 2025
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/250369
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