There are a number of alternative theories to essentialism. An anthropologist, for example, believes that human behavior is greatly affected by the culture and environment in which he is raised.
Touch. Touch is one of the best-developed senses at birth -- and it's absolutely crucial to bonding. Cuddling your baby will make him feel warm and secure, as will swaddling because it re-creates the confined feeling of the womb. And, yes, babies explore through touch, and their preferred tool is their mouth.
He explores this new world with his available sense and in this process gradually develops his own sensory. Understanding Sensory in a newbie. At the time of birth, a kid can explore all the five senses-tasting, hearing, seeing, touching and smelling, though these senses are not fully developed.