Doreen Pang Mrs. Trainor AP Psychology 4 November 2016 Module 9-1 Infancy and Childhood The developing brain overproduces neurons. Pruning: Comment by Doreen Pang: You don't gain new neurons; they're all there at birth the process of weeding out unnecessary connections and strengthening the important ones. Occurs during puberty Maturation Maturation: Comment by Doreen Pang: Biological growth processes that enable orderly changes in behavior, relatively uninfluenced by experience Comment by Doreen Pang: Standing before walking, babbling before talking, nouns before adj Biological growth processes that enable orderly changes in behavior, relatively uninfluenced by experience. standing before walking babbling before talking using nouns before adjectives