Premastication, pre-chewing, or kiss feeding is the act of chewing food for the purpose of physically breaking it down in order to feed another that is...

behavior. Neither birds, nor amphibians or any living reptiles chew. Premastication is sometimes performed by human parents for infants who are unable to...

the parent along with continued breastfeeding, a practice known as premastication. The practice was important throughout human history in that it naturally...

learned behaviour, having evolved from activities such as suckling or premastication in early human cultures passed on to modern humans. Another theory posits...