Is that difference between eight- and twelve-year-olds the result of experience, or does it have to do with the way the brain develops? As yet, nobody has the answer. 'This kind of brain research has only been possible for the last ten years or so,' says Crone, 'and there are a lot more questions which have to be answered. But it is probably a combination of the brain maturing and experience.'

I'm 55. Hasn't worked for me yet.

I'm 55. Hasn't worked for me yet.

Don't believe it. 14 month old learned to not reach for coke can on the counter when it poured down on her. :~)