erpolarization <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">AHP</span><span  title="" class="an ">&ensp;</span>that <span  title="" class="an ">&ensp;</span>followed <span  title="" class="an ">&ensp;</span>action <span  title="" class="an ">&ensp;</span>potentials <span  title="" class="an ">&ensp;</span>indicating <span  title="" class="an ">&ensp;</span>involvement <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span>a <span  title="" class="a