It is possible that it has something to do with it and could be part of the explanation of the speed at which the brain grows from 0-3 and then slows incredibly. At that age, everything is new and their are no heuristics. Of course, it doesn't quite work this way but it must have some effect on our learning abilities as the most intelligent are also usually the most curious which would mean they are continually sticking their noses into what they don't know.