  title="" class="an ">&ensp;</span>fast <span  title="" class="an ">&ensp;</span>gating <span  title="" class="an ">&ensp;</span>ones <span  title="" class="an ">&ensp;</span>in <span  title="" class="an ">&ensp;</span>that <span  title="" class="an ">&ensp;</span>the <span  title="" class="an ">&ensp;</span>former <span  title="" class="an ">&ensp;</span>had <span  title="" class="an ">&ensp;</span>a <span  title="" class="an ">&ensp;</span>conductance <span  title="" class="an ">&ensp;</span>of <span  ti