The memory develops after birth. A baby starts by registering how it should move. From around the age of three, a child can register events which form part of its life story, to be recalled in later life. But emotional events such as traumas are possibly registered much earlier as stray facts. These can elicit reactions, although you can’t retell them.
Growth and pruning: the brain of a child
A newborn baby cannot speak, it sees almost nothing, and controlled movements of its arms and legs are minimal. From birth onwards, however, rapid learning occurs associated with significant changes in the brain, which are both cause and effect of this learning process.
The girl with half a brain
The girl without the right hemisphere of her brain functions pretty normally. How is this possible?