 title="" class="an ">&ensp;</span>in <span  title="" class="an ">&ensp;</span>more <span  title="" class="an ">&ensp;</span>mature <span  title="" class="an ">&ensp;</span><span  title="Neuron" class="an Neuron">neurons</span><span  title="" class="an ">&ensp;</span>Fast <span  title="" class="an ">&ensp;</span>gating <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">BK</span><span  title="" class="an ">&ensp;</span>channels <span  title="" class="an ">&ensp;</span>differed <span  