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. 2021 Apr 9;15:640255. doi: 10.3389/fnins.2021.640255

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Copyright © 2021 Deng, Wu, Min, Feng, Chen, Tan, Sui, Liu and Hou.

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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Activation of M1 glutaminergic neurons. (A, B) The region where the virus is injected and expressed. (A) The red dotted line box is the anatomical diagram of the rat’s brain injected with the virus. (B) The red dotted line box is the expression of the virus at the corresponding position. (C) c-Fos staining of the M1 region after virus expression showed that c-Fos expression was found in the green part. (D) Electrophysiological detection of nerve cell discharge during light stimulation.