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Related Experiment Video

Updated: May 19, 2026

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats
10:41

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

Published on: November 7, 2017

A power and data link for a wireless-implanted neural recording system.

Alexander D Rush1, Philip R Troyk

  • 1Illinois Institute of Technology, Chicago, IL 60616, USA. rushale@iit.edu

IEEE Transactions on Bio-Medical Engineering
|August 28, 2012
PubMed
Summary
This summary is machine-generated.

This study presents a wireless system for neural recording, enabling seamless data transmission and power delivery to miniature implants. The technology supports high-speed data transfer for advanced neuroscience research.

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Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Wireless Communication Systems

Background:

  • Miniature-implanted wireless cortical neural recording systems are crucial for neuroscience and biomedical applications.
  • Existing systems often face limitations in data transmission and power delivery.

Purpose of the Study:

  • To develop a transcutaneous two-way communication and power system for wireless neural recording.
  • To enable high-speed data streaming from implanted neural devices.

Main Methods:

  • Utilized a frequency-shift keying modulated class E converter for wireless powering and forward data transmission (1.25 Mbps).
  • Employed an integer-N phase-locked loop for reverse telemetry carrier frequency generation.
  • Designed each channel for reverse telemetry exceeding 3 Mbps.

Main Results:

  • Achieved wireless powering and forward data transmission at 1.25 Mbps.
  • Enabled reverse telemetry with data rates over 3 Mbps per channel.
  • System designed for integration into a 1-cm diameter cortical neural recording implant.

Conclusions:

  • The developed system provides a robust solution for wireless neural recording.
  • It supports high-bandwidth data transmission necessary for streaming 16 channels of raw neural data.
  • This technology is poised to advance neuroscience research through improved implantable recording devices.