n  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><span  title="Neuron" class="an Neuron">neurons</span><span  title="" class="an ">&ensp;</span>targeting <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">VTA</span><span  title="" class="an ">&ensp;</span>or <span  title="" class="an ">&ensp;</span><span  title="BrainRegionP" class="an BrainRegionP">raphe</span><span  ti