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Electro-mechanical Systems

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Related Experiment Video

Updated: Jun 15, 2026

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents

Published on: May 3, 2012

xDev: a mixed-signal, software-defined neurotechnology interface platform for accelerated system development.

Samuel R Parker^1,2, Xavier J Lee², Jonathan S Calvert^1,2

¹Center for Neurorestoration and Neurotechnology, Providence VA Medical Center, Providence, RI, United States of America.

Journal of Neural Engineering

|March 11, 2025

Summary

This summary is machine-generated.

A new software-defined routing fabric, xDev, accelerates neurotechnology development by enabling rapid system evaluation and deployment. This low-cost platform accurately routes diverse signals, facilitating complex neuromodulation experiments.

Keywords:

neural interfaces neurotechnology system development system integration

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Last Updated: Jun 15, 2026

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Published on: July 7, 2023

Area of Science:

Neurotechnology
Biomedical Engineering
Electronics

Background:

Sophisticated electronic components exist for neurotechnology, but integrated systems for evaluation are lacking.
Rapid iteration and deployment of multi-component neurotechnology systems are hindered by current instrumentation limitations.

Purpose of the Study:

To design and validate 'xDev', a software-defined mixed-signal routing fabric.
To enable neurotechnology system designers to rapidly iterate, evaluate, and deploy advanced multi-component systems.

Main Methods:

Developed system requirements and implemented a 16x16 analog crosspoint multiplexer design for xDev.
Tested impedance, switching, signal gain, crosstalk attenuation, and frequency response.
Evaluated flexible rerouting of microvolt biosignals and high-speed digital signals.
Conducted an intraoperative in vivo deployment for neuromodulation experiments.

Main Results:

xDev demonstrated accurate signal transmission across biosignal and high-speed digital frequencies.
Successfully routed microvolt-scale biosignals and 600 Mbps Ethernet connections.
Validated system flexibility through in vivo deployment with implanted spinal electrode arrays in an ovine model.

Conclusions:

xDev is a novel, low-cost, software-defined platform accelerating neurotechnology development.
Open-source distribution of xDev designs lowers development barriers for future neurotechnology systems.