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. 2013 Nov 19;7:216. doi: 10.3389/fnins.2013.00216

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Copyright © 2013 Tortorella, Rodrigo-Angulo, Núñez and Garzón.

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) 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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LC stimulation evoked a long–lasting excitation of PeFLH neurons. (A) Train stimulation of the LC evoked an increase of PeF neuronal activity for 3 s, with a simultaneous decrease in EEG slow waves. The stimulation train is indicated by the open arrow. (B) LC-evoked excitation was abolished in a reserpine-treated animal. (C) Plot of the mean firing rate calculated for the 10 s period before (black) and after (red) LC stimulation train in control animals (n = 21 cells) and in reserpine-treated animals (n = 12 cells). The LC-evoked excitation of PeFLH neurons was reduced after catecholaminergic depletion. The asterisk indicates significant statistical differences (^*p < 0.05; ^**p < 0.01).