Improving Neural Recording Technology at the Nanoscale

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Improving Neural Recording Technology at the Nanoscale

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Ferguson, John

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2011-08

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Abstract

Neural recording electrodes are widely used to study normal brain function (e.g., learning, memory, and sensation) and abnormal brain function (e.g., epilepsy, addiction, and depression) and to interface with the nervous system for neuroprosthetics. With a deep understanding of the electrode interface at the nanoscale and the use of novel nanofabrication processes, neural recording electrodes can be designed that surpass previous limits and enable new applications. In this thesis, I will discuss three projects. In the first project, we created an ultralow-impedance electrode coating by controlling the nanoscale texture of electrode surfaces. In the second project, we developed a novel nanowire electrode for long-term intracellular recordings. In the third project, we created a means of wirelessly communicating with ultra-miniature, implantable neural recording devices. The techniques developed for these projects offer significant improvements in the quality of neural recordings. They can also open the door to new types of experiments and medical devices, which can lead to a better understanding of the brain and can enable novel and improved tools for clinical applications.

Keywords

Carbon nanotubes

Implantable devices

Nanoelectrode

Nanotechnology

Neural engineering

Neural implants

Description

University of Minnesota Ph.D. dissertation. august 2011. Major: Biomedical Engineering. Advisor: A Redish. 1 computer file (PDF); xviii, 119 pages.

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Ferguson, John. (2011). Improving Neural Recording Technology at the Nanoscale. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/191362.

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