April 7, 2011 Nature vs. Nurture à Nurture Experience and Brain development Early postnatal experience affects brain development. Risenzweig et al. (1984) showed that rats raised in enriched environments developed thicker cortices than those in impoverished environment-Experience can create neural connections in the brain making it easier to perform the task in the future (practice makes perfect) Peer Influence-Children attempt to fit into a group by conforming. Peers are influential in such areas as learning to cooperate as others, gaining popularity and developing interactions. Cultural Influence-Humans have the ability to evolve culture. Culture is composed of behaviors, ideas, attitudes, values and traditions shared by a group.-Cultures differ. Each culture develops norms. Norms are rules for accepted and
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