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Related Experiment Video

Updated: May 9, 2026

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Published on: September 8, 2011

Two-dimensional multi-channel neural probes with electronic depth control.

T Torfs, A A A Aarts, M A Erismis

IEEE Transactions on Biomedical Circuits and Systems

|July 16, 2013

Summary

This summary is machine-generated.

This study introduces novel multi-electrode arrays for neural recordings, featuring electronic depth control (EDC) for precise site selection. These advanced probes enable independent channel control, enhancing in vivo neural data acquisition.

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Last Updated: May 9, 2026

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Published on: September 8, 2011

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Published on: August 10, 2019

Area of Science:

Neuroscience
Biomedical Engineering
Electrical Engineering

Background:

In vivo neural recording requires precise selection of recording sites.
Existing multi-electrode arrays often lack independent control over recording channels.
Advancements in microfabrication and integrated circuits are crucial for next-generation neural interfaces.

Purpose of the Study:

To present multi-electrode arrays with electronic depth control (EDC) for in vivo neural recording.
To demonstrate the integration of EDC with 2D probe designs for independent channel selection.
To develop a dedicated CMOS front-end circuit for signal processing.

Main Methods:

Utilized a commercial 0.5-μm CMOS process for EDC circuit fabrication.
Employed post-CMOS micromachining for creating comb-like probes and electrode metallization.
Designed and integrated a CMOS front-end circuit for neural signal pre-amplification and multiplexing.

Main Results:

Successfully realized 2D multi-electrode arrays with functional EDC.
Demonstrated independent electronic selection of recording sites along probe shafts.
Developed and integrated a CMOS front-end circuit for efficient neural signal handling.

Conclusions:

The developed multi-electrode arrays with EDC offer enhanced capabilities for in vivo neural recording.
The integration of CMOS technology and micromachining provides a robust platform for advanced neural probes.
This technology facilitates more targeted and flexible neural signal acquisition.