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I know of at least one famous case where a construction worker had an accident and pierced his skull, destroying a large portion of his brain. He survived but later exhibited some strange and interesting behavior patterns.



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I think you're referring to the poor fella who got a piece of steel lodged in his brain from a construction accident. It knocked out a certain portion of his brain, and (I think) resulted in him having terrible short term memory. Worse yet, they were afraid to remove the piece of steel, so it remained visibly sticking out of his head. One good thing to come out of this, at least, is that it inspired the "lightning bolt-in-the-head" toy, which never gets old.

Okay, just looked it up and found I was pretty wrong. He didn't lose his memory, but became a self-obsessed, shrewd guy with childish inclinations. url=http://http://en.wikipedia.org/wiki/Phineas_Gage]link[/url]