</span>by <span  title="" class="an ">&ensp;</span>electrophysiological <span  title="" class="an ">&ensp;</span>analysis <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span>Kv <span  title="" class="an ">&ensp;</span>null <span  title="" class="an ">&ensp;</span>mutant <span  title="" class="an ">&ensp;</span>mice <span  title="" class="an ">&ensp;</span>Whole <span  title="" class="an ">&ensp;</span><span  title="Neuron" class="an Neuron">cell</span><span  title="" class="