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Related Experiment Video

Updated: Jun 26, 2026

Large-scale Recording of Neurons by Movable Silicon Probes in Behaving Rodents
17:37

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Published on: March 4, 2012

A 3D slim-base probe array for in vivo recorded neuron activity.

A A Aarts1, H P Neves, I Ulbert

  • 1Interuniversity Microelectronics Center (IMEC), Kapeldreef 75, 3001 Leuven, Belgium. aarts@imec.be

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|January 24, 2009
PubMed
Summary

Researchers developed a new implantable 3D probe array for brain research. This slim-base design enables simultaneous electrical and mechanical connections, ideal for chronic cerebral applications.

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Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Materials Science

Background:

  • Developing advanced neural probes is crucial for understanding brain function.
  • Existing probe technologies face challenges in chronic implantation and signal integrity.

Purpose of the Study:

  • To introduce and experimentally validate a novel implantable slim-base three-dimensional (3D) probe array for cerebral applications.
  • To demonstrate the feasibility of a modular platform for customizable neural probe assembly.

Main Methods:

  • Assembly of perpendicular probes onto a slim-base readout platform.
  • Development of a novel micromachined interconnect using extreme planarization techniques.
  • Simultaneous electrical and mechanical connection establishment.
  • Preliminary implantation into the auditory cortex of a rat.

Main Results:

  • Successful integration of a 3D probe array with a thin, modular platform.
  • Demonstration of simultaneous electrical and mechanical connections.
  • Preliminary successful implantation in a rodent model.

Conclusions:

  • The novel slim-base 3D probe array offers a promising solution for advanced neural recording.
  • The modular design allows for versatile probe configurations.
  • The thin profile is suitable for chronic implantation and brain surface applications.