Errors and disasters do not come about by one causal factor. There is always a chain of unpredictable events. This also poses a problem for scientists. They do not know the law of conservation of misery.
Memories of early childhood?
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.
Autism is hereditary, but you don’t inherit autism
The probability of having autism is greater for an individual if it runs in their family. This suggests hereditary factors. But what do you actually inherit? What you inherit is a predisposition for a specific development of your brain. This, together with what you experience while growing up, can lead to the development of a mild to severe form of autism.
The girl with half a brain
The girl without the right hemisphere of her brain functions pretty normally. How is this possible?