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Interaction and the Architecture of the Brain

For as long as humans have walked the earth, our interactions with others have helped to shape who we are. But only in recent years have we begun to understand how the most basic forms of human interaction and early experience mold the developing brain’s architecture to profoundly influence who we become. The calculus is surprisingly simple, given the complex world of neuroscience: Nurturing, positive interaction releases chemicals in a child’s brain that promote its growth and development, while negative influences produce chemicals that weaken its architecture. (For a detailed review of the latter subject, please see the new article, Stress and the Architecture of the Brain, on the National Scientific Council on the Developing Child Web site.)