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Optrode Array for Simultaneous Optogenetic Modulation and Electrical Neural Recording

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Published on: September 1, 2022

A scalable data transmission scheme for implantable optogenetic visual prostheses.

Zhenyang Hou¹, Walid Al-Atabany², Ramy Farag³

¹Newcastle University - School of Engineering, Newcastle upon Tyne, NE1 7RU, United Kingdom.

Journal of Neural Engineering

|October 15, 2020

Summary

This study presents a novel video processing system for optogenetic visual prosthetics. It features efficient data compression and power management for effective neural stimulation.

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Area of Science:

Neuroscience
Biomedical Engineering
Computer Science

Background:

Optogenetic visual prosthetics aim to restore vision by stimulating neural tissue.
Efficient data transmission and power management are critical challenges for implantable devices.

Purpose of the Study:

To develop a complete video information processing scheme for optogenetic visual prosthetics.
To enable efficient wireless data transfer and stable power delivery to an implantable unit.

Main Methods:

A video processing architecture was designed, starting with scene simplification.
A novel zero-run length encoding (zRLE) algorithm was developed for video compression and decompression.
An even power distribution driver was incorporated for stable optogenetic stimulation.

Main Results:

The proposed scheme enables efficient wireless information transfer to an implantable unit.
The zRLE algorithm and even power distributor represent key innovations.
The processing scheme is implementable on real-time portable hardware.

Conclusions:

The developed video processing scheme offers a complete solution for optogenetic visual prosthetics.
The zRLE compression and even power distribution are significant advancements.
The system's feasibility on portable hardware paves the way for practical visual prosthetics.