Emotional attachment of pre-weaning pups to mothers and fathers in mandarin voles

摘要: Abstract Studies into the effects of maternal and paternal deprivation on brain behavior are traditionally done animals from postnatal day 0 to 14 when parents display high levels licking grooming. Deprivation experiments that reveal attachment conducted during this period confounded because physiological emotional occur simultaneously. Whether rodent pups greater independence 21 days show towards mothers fathers remains unclear. Here we establish a new animal model for in 14–21 days old using monogamous mandarin voles (Microtus mandarinus). Levels were measured preference tests. Pups spent more time contact with their mothers, approaching, sniffing, climbing walking near emitted calls mother’s side compared an unknown female. They also showed over male. While displayed both fathers, directed higher tests presented These results indicate can be used as investigate early disruption adult behavior.