Every piece of information that comes into the brain enters through the doors of our senses in a process so complex computers still can't do it as well as people can. New thinking about the nature of perception helps explain why.
Neuroscientists have been able to peer inside the brain and see what happens when children hear and learn language. They know now that Dr. Seuss was on to something. Repetition, rhythm and rhyme help children in crucial ways to process the speech they hear, and fine-tune the connections between auditory and language networks.