High-speed volumetric imaging of neuronal activity in freely moving rodents

High-speed volumetric imaging of neuronal activity in freely moving rodents Thus far, optical recording of neuronal activity in freely behaving animals has been limited to a thin axial range. We present a head-mounted miniaturized light-field microscope (MiniLFM) capable of capturing neuronal network activity within a volume of 700 × 600 × 360 µm3 at 16 Hz in the hippocampus of freely moving mice. We demonstrate that neurons separated by as little as ~15 µm and at depths up to 360 µm can be discriminated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Methods Springer Journals
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Publisher
Nature Publishing Group US
Copyright
Copyright © 2018 by The Author(s)
Subject
Life Sciences; Life Sciences, general; Biological Techniques; Biological Microscopy; Biomedical Engineering/Biotechnology; Bioinformatics; Proteomics
ISSN
1548-7091
eISSN
1548-7105
D.O.I.
10.1038/s41592-018-0008-0
Publisher site
See Article on Publisher Site

Abstract

Thus far, optical recording of neuronal activity in freely behaving animals has been limited to a thin axial range. We present a head-mounted miniaturized light-field microscope (MiniLFM) capable of capturing neuronal network activity within a volume of 700 × 600 × 360 µm3 at 16 Hz in the hippocampus of freely moving mice. We demonstrate that neurons separated by as little as ~15 µm and at depths up to 360 µm can be discriminated.

Journal

Nature MethodsSpringer Journals

Published: May 7, 2018

References

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