D Goffman

Learn More
Newborn rat pups exhibit oral appetitive behaviors when presented with an artificial nipple. These behaviors include mouthing and licking movements and expression of stereotyped oral grasp response. Caesarean-delivered pups show increased responding to the nipple over the first 5 h after birth that is independent of experience with the nipple. Mimicking(More)
In the course of postnatal development, the motor sequence executed by pups in order to attach to the dam's nipple undergoes extensive changes. During the 1st postnatal week, the pup performs a rotation along the longitudinal axis of its trunk to achieve a supine posture under the mother. The pup then crawls on the maternal ventrum while in the supine(More)
  • 1