tle="BrainRegionP" class="an BrainRegionP">&ensp;</span><span  title="BrainRegionP" class="an BrainRegionP">nuclei</span><span  title="" class="an ">&ensp;</span>are <span  title="" class="an ">&ensp;</span>equipped <span  title="" class="an ">&ensp;</span>with <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">HCN</span><span  title="" class="an ">&ensp;</span>subunit <span  title="" class="an ">&ensp;</span>m <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP