To give you an idea about genetic variation between each of us, there are about three million differences in our genetic code. They go to influence the color of our hair and the color of our eyes, the way we walk.
Babies develop about 80% of their brain growth over the first two years of life, and it's also when all the connections in the brain, what we call the white matter, which is the cables in the brain, grow and develop and connect to the cortex.
Cerebral palsy is a damage to the developing brain in the motor part of the brain. Individuals with cerebral palsy have problems with weakness and sometimes also involuntary movements.
A lot of parents don't realize that their baby, all the skills that they have. So they can look at you, they can follow you. They're already starting to imitate you, and through the first few months of life, they're already starting to learn to reach and grasp toys, and to have nonverbal communication with you.