text: what do you think would happen? considering we only use about 10% of our brains, what do you think would happen if we used all 100% of it. would be gain super powers or something. why do we only use 10% and not more. how do you use more? the 10% bit is a myth. we do use all of our brains, though not neccesarily all at once. i am mean think about it, when is that last time someone said, "well, i got a brain injury but it only took out 25% of my brain so i'm just fine!"  this link covers the "10% brain urban legend"