That is just not true. The brain is not fully developed until the eearly 20's in most people, but like every other measure of living things, it varies with individuals. Some people learn to do abstract reasoning very early. Some never achieve it, maybe not even Piaget, the psychologist who started that whole debate.
Does seeing nudity hurt kids?
↑ View this comment's parent
← View full post
That is just not true. The brain is not fully developed until the eearly 20's in most people, but like every other measure of living things, it varies with individuals. Some people learn to do abstract reasoning very early. Some never achieve it, maybe not even Piaget, the psychologist who started that whole debate.