Two-photon imaging of fiber-coupled neurons

Journal of Biophotonics
M S PochechuevA M Zheltikov

Abstract

Optical coupling between a single, individually addressable neuron and a properly designed optical fiber is demonstrated. Two-photon imaging is shown to enable a quantitative in situ analysis of such fiber-single-neuron coupling in the live brain of transgenic mice. Fiber-optic interrogation of single pyramidal neurons in mouse brain cortex is performed with the positioning of the fiber probe relative to the neuron accurately mapped by means of two-photon imaging. These results pave the way for fiber-optic interfaces to single neurons for a stimulation and interrogation of individually addressable brain cells in chronic in vivo studies on freely behaving transgenic animal models, as well as the integration of fiber-optic single-neuron stimulation into the optical imaging framework.

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Citations

Jan 25, 2021·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Aleksei M Zheltikov

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