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Related Experiment Video

Updated: Jun 18, 2026

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

Published on: November 7, 2017

A small, light-weight, low-power, multichannel wireless neural recording microsystem.

Amir Borna¹, Timothy Marzullob, Greg Gage

¹Center for Wireless Integrated Microsystems, University of Michigan, Ann Arbor, Michigan, USA.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

|December 8, 2009

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Researchers developed a compact, low-power, wireless neural recording system for capturing brain activity. This innovative microsystem enables long-range data transmission from animal models, advancing neuroscience research.

Area of Science:

Biomedical Engineering
Neuroscience
Microsystems Engineering

Background:

Neural recording systems are crucial for understanding brain function.
Existing systems often face limitations in size, power consumption, or range.
Miniaturization and wireless capabilities are key for advanced neural interfaces.

Purpose of the Study:

To design, fabricate, and characterize a novel, small, lightweight, low-power, and long-range wireless neural recording system.
To demonstrate the system's capability in acquiring neural signals from diverse animal models.
To provide a versatile platform for in-vitro and in-vivo neural signal acquisition.

Main Methods:

Development of a 3-channel wireless neural recording microsystem.
Fabrication of a transmitter using a 2-Poly, 2-Metal 1.5 microm AMIS process with an integrated ASIC.

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Multichannel Extracellular Recording in Freely Moving Mice

Multichannel Extracellular Recording in Freely Moving Mice

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Last Updated: Jun 18, 2026

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

Published on: November 7, 2017

Multichannel Extracellular Recording in Freely Moving Mice

Multichannel Extracellular Recording in Freely Moving Mice

Published on: May 26, 2023

Utilized on-chip Voltage Controlled Oscillator (VCO) or commercial off-the-shelf (COTS) transmitters for wireless data transmission.

In-vitro and in-vivo characterization using cockroach leg axons and rat motor cortex neural signals.

Main Results:

A compact (<1cm³), lightweight (<1g), low-power (10mW, 25hr battery life), and long-range (22 ft) wireless neural recording system was successfully developed.
The system demonstrated effective wireless transmission of neural data.
Successful neural signal acquisition was achieved from both insect (cockroach leg axons) and mammalian (rat motor cortex) models.

Conclusions:

The developed wireless neural recording system offers a promising solution for miniaturized, high-performance neural data acquisition.
Its versatility across different animal models highlights its potential for broad applications in neuroscience research.
The system's characteristics pave the way for less invasive and more mobile neural monitoring.