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Related Experiment Videos

A multifunctional neural electrode stimulation ASIC using NeuroTalk interface.

P R Troyk1, D A Detlefsen, G D DeMichele

  • 1Illinois Inst. of Technol., Chicago, IL, USA.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|October 20, 2007
PubMed
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This study details NeuroTalk 2, a custom integrated circuit for visual prostheses. It enables communication with implanted devices, offering a novel approach to visual restoration technologies.

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Implantable Devices

Background:

  • Standardized communication is crucial for implanted neural modules.
  • Custom Application-Specific Integrated Circuits (ASICs) are key components in advanced prosthetics.
  • Previous work established the NeuroTalk interface for module communication.

Purpose of the Study:

  • To describe a specific ASIC designed for a visual prosthesis.
  • To introduce NeuroTalk 2, a version of the ASIC operating over a 4-wire bus.
  • To highlight the miniaturization of ASICs for cortical implantation.

Main Methods:

  • Design and implementation of a custom ASIC for a visual prosthesis.
  • Integration of the ASIC within a 16-channel multielectrode stimulation array.

Related Experiment Videos

  • Development of the NeuroTalk 2 interface for 4-wire bus communication.

    • Main Results:

    • A miniaturized ASIC suitable for cortical implantation was developed.
    • The NeuroTalk 2 interface facilitates communication with the visual prosthesis ASIC.
    • Alternative ASIC versions utilize transcutaneous magnetic links for power and data.

    Conclusions:

    • The described ASIC represents a significant advancement in visual prosthesis technology.
    • NeuroTalk 2 provides a standardized communication method for implanted visual prosthetics.
    • This work contributes to the development of sophisticated neuroprosthetic devices.