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Cheour doesn’t know how babies accomplish this night - learning, but she suspects that the special ability might indicate that unlike adults, babies don’t "turn off" their cerebral cortex while they sleep. The skill probably fades in the course of the first year of life, she adds—so forget the idea that you can pick up tricky French vowels as an adult just by slipping a language tape under your pillow. But while it may not help grown -ups, Cheour is hoping to use the sleeping hours to give remedial help to babies who are genetically at risk of language disorders.
What can scientists probably use the new discovery to do.9