When d'andre was 5 months old, he looked at a toy train, but when his view of the train was blocked, he did not search for it. now that he is 9 months old, he does search for it, reflecting his development of:?
The right answer is Object Permanence. This is the ability that allows the brain of the human being to understand that an object still exists even if it cannot be seen or felt. Humans are not born with this ability, it is acquired when the brain matures between 9 and 12 months approximately.
