Comfort dogs bring healing in times of tragedy

Twelve golden retrievers recently arrived in Orlando to bring com­fort to the sur­vivors and those grieving after the mass shooting at the gay night­club Pulse. Here, Northeastern’s Lisa Feldman Bar­rett, who spe­cial­izes in the psy­chology of emo­tion, explains how dogs help bring our ner­vous sys­tems back into bal­ance and, at least tem­porarily, make us feel safe.