span  title="" class="an ">&ensp;</span><span  title="BrainRegionP" class="an BrainRegionP">median</span><span  title="BrainRegionP" class="an BrainRegionP">&ensp;</span><span  title="BrainRegionP" class="an BrainRegionP">raphe</span><span  title="BrainRegionP" class="an BrainRegionP">&ensp;</span><span  title="BrainRegionP" class="an BrainRegionP">nuclei</span><span  title="" class="an ">&ensp;</span>Mn <span  title="" class="an ">&ensp;</span>R <span  title="" class="an ">&ensp;</span>Both <span  title=""