> 2. Child brains are different from adult brains, and it is likely that the ability to pick up a language in this way degrades significantly after a certain ag

> 2. Child brains are different from adult brains, and it is likely that the ability to pick up a language in this way degrades significantly after a certain age. There is plenty of evidence which counters the latter part of this claim (see Stephen Krashen and the input hypothesis).