Blink 2: the 10% myth

It's one of the more popular misconceptions that humans only use ten per cent of their brain; it's used in advertising, casual remarks and even comedy.

It seems to have arisen out of the idea that only 10% of our brain is active at any given time. This does not mean that there is 90% of the human brain that goes entirely unused - this is a myth. It is simply false.

Here's a pretty great page explaining everything you need to know about the 10% myth.