le="" class="an ">&ensp;</span>evoke <span  title="" class="an ">&ensp;</span>action <span  title="" class="an ">&ensp;</span>potential <span  title="" class="an ">&ensp;</span><span  title="Electrophysiology" class="an Electrophysiology">firing</span><span  title="" class="an ">&ensp;</span>in <span  title="" class="an ">&ensp;</span>functionally <span  title="" class="an ">&ensp;</span>identified <span  title="" class="an ">&ensp;</span>afferent <span  title="" class="an ">&ensp;</span>fibers <span  title