Five Numbers to Remember about Early Childhood Development [DevelopingChild.Harvard.edu]
The early years matter because, in the first few years of life, more than 1 million new neural connections are formed every second. * Neural connections are formed through the interaction of genes and a baby’s environment and experiences, especially “ serve and return ” interaction with adults, or what developmental researchers call contingent reciprocity. These are the connections that build brain architecture – the foundation upon which all later learning, behavior, and health depend. [For...