• The adaptiveness of the brain, which scientists have now better understood is called Neuroplasticity.
• Studies show that brains of adults and elders can learn a new language just as a child could, provided they get the opportunity and are not inhibited towards making mistakes.

A child's brain is indeed completely raw, known as 'Tabula Rasa' and they can find it easier to master certain skills of perception, but at the same time, adults have the advantage of analysis, self-reflection and greater discipline.