Mr. Merzenich is discussing how the bio computer otherwise called the brain has the natural ability to change over time. There are two periods or in his own words “epochs of brain plasticity” in life. The first one is the Infant or critical period, the brain is establishing the basic connections needed. The reason it is called the critical period is “the brain is at the mercy” of the environment. The other epoch of brain plasticity is Adult plasticity. The brain during this period is refining old skills and learning new skills simultaneously. How the process happens is thanks to the natural recorder the brain, is a non-stop recorder of life from birth til death. Each experience recorded creates new connections of the nerves. The brain’s response
