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. 2016 Jan 26;9:518. doi: 10.3389/fnins.2015.00518

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Copyright © 2016 Vargas-Barroso, Ordaz-Sánchez, Peña-Ortega and Larriva-Sahd.

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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Accessory olfactory bulb (AOB) neurons display voltage-dependent bursts of action potentials. (A) Trace of spontaneous activity from a representative “rhythmic” neuron of the AOB (top); when cells are incubated with glutamatergic antagonists CNQX and APV (20 μM), rhythmic bursting persists (bottom); dotted line is 0 mV (B) Rhythmic firing of AOB neurons is voltage-dependent. (C) Dot plots showing analysis for inter-burst interval (left), burst duration (center), and bursting frequency (right). Each color represents a single neuron (n = 5). Statistical differences in control vs. CNQX + APV were only found within single neurons (asterisks).