ass="an ">&ensp;</span>pacemaker <span  title="" class="an ">&ensp;</span>activity <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">LH</span><span  title="" class="an ">&ensp;</span>b <span  title="" class="an ">&ensp;</span>projection <span  title="" class="an ">&ensp;</span><span  title="Neuron" class="an Neuron">neurons</span><span  title="" class="an ">&ensp;</span>we <span  title="" class="an ">&ensp;</span>combined <span  title="" c