><span  title="Neuron" class="an Neuron">neurons</span><span  title="" class="an ">&ensp;</span>were <span  title="" class="an ">&ensp;</span>recorded <span  title="" class="an ">&ensp;</span>using <span  title="" class="an ">&ensp;</span>fura <span  title="" class="an ">&ensp;</span>microfluorometry <span  title="" class="an ">&ensp;</span>Neurons <span  title="" class="an ">&ensp;</span>from <span  title="" class="an ">&ensp;</span>control <span  title="" class="an ">&ensp;</span>rats <span  title="" clas