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. 2022 Mar 30;16:863342. doi: 10.3389/fncel.2022.863342

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Copyright © 2022 Lu, Wan, Liu, Jin, Chu, Bing and Qiu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Facial stimulation at 20 Hz induced an MF-GrC LTP in the mouse cerebellar granular layer. (A) Upper: Representative extracellular recording traces showing a paired air-puff stimulation (10 ms, 60 psi, 50 ms interval) evoked MF-GrC synaptic responses before (pre) and after (post) the delivery of 20-Hz (240 pulses) air-puff stimulation. (B) Summary of data showing the time course of normalized amplitude of N1 in which the 20-Hz stimulation protocol (arrow) was delivered (filled circle) or not delivered (open circle) under control conditions. (C) Mean value (± SEM) with individual data showing the normalized amplitude before (pre) and after (post) the delivery of the 20-Hz stimulation protocol. (D) Mean value (± SEM) with individual data showing the normalized N2/N1 ratio before (pre) and after (post) the delivery of 20-Hz stimulation protocol. Note that the 20-Hz facial stimulation induced an LTP at MF-GrC synapse in the mouse cerebellum. *P < 0.05 vs. pre; n = 10 recordings from 10 mice.