During the first two years the brain is the most flexible and prepared to learn. At this time everything is new. Everything an infant does build brain connections. According to EDUCARER.org "Touch, talking and things an infant sees and smells all build connections if done with continuity in a loving, consistent, and predictable manner. These connections die if not maintained. If there are no experiences, the connections are pruned back and the brain will remain small.http://www.educarer.com/brain.htm
Environment is a major factor in early brain development. According to EDUCARER.org children raised in environmentally deprived facilities experience fewer sounds, sights, and colors have smaller brains than children in sensually rich environments. While genes and environment interact at every stage of development which is more important?
Genes are responsible for the hardwiring or the blueprint of the brain. While environment is responsible for the finer aspects. For example, everyone when born is hardwired with the potential to learn language. According to zero to three.org our brains are programmed to recognize human speech, to discriminate subtle differences between individual speech sounds, to put words and meaning together, and to pick up the grammatical rules for ordering words in sentences. However, the particular language each child masters, the size of the vocabulary and the exact dialect is dependent upon the environment in which raised. Aside from genes and the environment there are ten things an infant needs in order to help the