14. At 3 months, a baby ... it's categorical
There are all kinds of cats: gray, black, etc. And yet, this diversity does not destabilize an infant of 3 months. He quickly realized that all belong to one and the same category, that of the tomcats. It has been established by showing babies pairs of cats, each time different from each other, on a screen. Then we showed them a curious pair: a cat with a bird. The children all looked at the bird longer. Minet did not interest them, he was not new: they associated him with the previous images, put him in the same category. Nice feat!