Humans use 10% of brain... true?

[John E Anderson]

Martin Knopman wrote:

> How can you say this?  Give me one example of a great piece of work done by
> someone over 50.  There are examples, to be sure, but the fact is that the
> most creative years of life are before 35.

Do you have references for this fact?

Thanks

John Anderson

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John E Anderson
Department of Natural Sciences
University of North Florida
Jacksonville FL