NDLI: An easy-to-assemble, robust, and lightweight drive implant for chronic tetrode recordings in freely moving animals

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An easy-to-assemble, robust, and lightweight drive implant for chronic tetrode recordings in freely moving animals

Content Provider	Scilit
Author	Voigts, Jakob Newman, Jonathan Paul Wilson, Matthew A. Harnett, Mark T.
Copyright Year	2020
Description	Journal: Journal of Neural Engineering Tetrode arrays are a standard method for neuronal recordings in behaving animals, especially for chronic recordings of many neurons in freely-moving animals. Objective. We sought to simplify tetrode drive designs with the aim of enabling building and implanting a 16-tetrode drive in a single day. Approach. Our design makes use of recently developed technologies to reduce the complexity of the drive while maintaining a low weight. Main results. The design presents an improvement over existing implants in terms of robustness, weight, and ease of use. We describe two variants: a 16 tetrode implant weighing ∼2 g for mice, bats, tree shrews and similar animals, and a 64 tetrode implant weighing ∼16 g for rats and similar animals. These designs were co-developed and optimized alongside a new class of drive-mounted feature-rich amplifier boards with ultra-thin radio-frequency tethers, as described in an upcoming paper (Newman, Zhang et al in prep). Significance. This design significantly improves the data yield of chronic electrophysiology experiments.
Related Links	https://iopscience.iop.org/article/10.1088/1741-2552/ab77f9/pdf
ISSN	17412560
e-ISSN	17412552
DOI	10.1088/1741-2552/ab77f9
Journal	Journal of Neural Engineering
Issue Number	2
Volume Number	17
Language	English
Publisher	IOP Publishing
Publisher Date	2020-02-19
Access Restriction	Open
Subject Keyword	Journal: Journal of Neural Engineering Mathematical and Computational Biology
Content Type	Text
Resource Type	Article
Subject	Cellular and Molecular Neuroscience Biomedical Engineering

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