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. 2015 Jun 9;9:214. doi: 10.3389/fncel.2015.00214

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Copyright © 2015 Bing, Wu, Chu and Qiu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor 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-induced LTD of GABAergic transmission at PCs was abolished by blocking cannabinoid type 1 (CB1) receptor activity. (A) Representative cell-attached recording traces showing air-puff stimulation (10 ms, 60 psi)-evoked responses in a cerebellar PC before (pre) and after (post) delivering 1 Hz (240 pulses) stimulation delivered in the presence of CB1 antagonist, AM251 (5 μM). (B) Time course of normalized amplitude of P1 (shown in A) before and after delivery of 1 Hz facial stimulation (arrow head) delivered in the presence of AM251. (C) Summary of normalized amplitude of P1 before and after delivery of 1 Hz (240 pulses) stimulation (arrow head; n = 7) delivered in the presence of AM251. Note that air-puff stimulation (1 Hz)-induced LTD of P1 was blocked by application of a CB1 receptor antagonist. Data points are mean ± SEM.