Wireless Ensembles of Sub-mm Microimplants Communicating as a Network near 1 GHz in a Neural Application Article Swipe
Ji-Hun Lee
,
Vincent Leung
,
Ah‐Hyoung Lee
,
Jiannan Huang
,
P.M. Asbeck
,
Patrick P. Mercier
,
Stephen J. Shellhammer
,
L.E. Larson
,
Farah Laiwalla
,
A. V. Nurmikko
·
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.1101/2020.09.11.293829
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.1101/2020.09.11.293829
Multichannel electrophysiological sensors and stimulators, especially those used for studying the nervous system, are most commonly based on monolithic microelectrode arrays. Such architecture limits the spatial flexibility of individual electrode placement, posing constraints for scaling to a large number of nodes, particularly across non-contiguous locations. We describe the design and fabrication of sub-millimeter size electronic microchips (“Neurograins”) which autonomously perform neural sensing or electrical microstimulation, with emphasis on their wireless networking and powering. An ∼1 GHz electromagnetic transcutaneous link to an external telecom hub enables bidirectional communication and control at the individual neurograin level. The link operates on a customized time division multiple access (TDMA) protocol designed to scale up to 1000 neurograins. The system is demonstrated as a cortical implant in a small animal (rat) model with anatomical limitations restricting the implant to 48 neurograins. We suggest that the neurograin approach can be generalized to overcome many scalability issues for wireless sensors and actuators as implantable microsystems.
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- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.1101/2020.09.11.293829
- https://www.biorxiv.org/content/biorxiv/early/2020/09/14/2020.09.11.293829.full.pdf
- OA Status
- green
- Cited By
- 11
- References
- 46
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3084936155
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3084936155Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1101/2020.09.11.293829Digital Object Identifier
- Title
-
Wireless Ensembles of Sub-mm Microimplants Communicating as a Network near 1 GHz in a Neural ApplicationWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2020Year of publication
- Publication date
-
2020-09-13Full publication date if available
- Authors
-
Ji-Hun Lee, Vincent Leung, Ah‐Hyoung Lee, Jiannan Huang, P.M. Asbeck, Patrick P. Mercier, Stephen J. Shellhammer, L.E. Larson, Farah Laiwalla, A. V. NurmikkoList of authors in order
- Landing page
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https://doi.org/10.1101/2020.09.11.293829Publisher landing page
- PDF URL
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https://www.biorxiv.org/content/biorxiv/early/2020/09/14/2020.09.11.293829.full.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
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https://www.biorxiv.org/content/biorxiv/early/2020/09/14/2020.09.11.293829.full.pdfDirect OA link when available
- Concepts
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Wireless, Computer science, Microstimulation, Scalability, Neural Prosthesis, Flexibility (engineering), Time division multiple access, Computer network, Engineering, Telecommunications, Biomedical engineering, Statistics, Mathematics, Stimulation, Biology, Neuroscience, DatabaseTop concepts (fields/topics) attached by OpenAlex
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11Total citation count in OpenAlex
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2024: 2, 2023: 1, 2022: 1, 2021: 4, 2020: 3Per-year citation counts (last 5 years)
- References (count)
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46Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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