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.
Enhancing Development Through the Sense of Touch. A baby's first experience with the surrounding environment occurs through touch, developing prenatally as early as 16 weeks. This sense is essential to children's growth of physical abilities, language and cognitive skills, and social-emotional competency. Touch not only impacts short-term development during infancy and early childhood, but also has long-term effects, suggesting the power of positive, gentle touch from birth.