“Especially in the San Francisco Bay Area, where everyone is a hacker of some type or the other…you’ve got a lot of people who don’t have any qualms about hooking some electrical thing to their head where they may not know how it works,” said Jared Seehafer.
But before you scrounge around for parts…
“I sure wouldn’t put anything I made for $25 on my head and turn on the switch,” says Stanford Law & Bio-sciences Director Hank Greely, who specializes in the ethical, legal and social implications of these new technologies. “Before you run volts through your brain, um, I think it’s really important to try to make sure that it’s safe and it’s effective.”

via Forget Coffee, Techies Giving Brain An Electric Jolt To Stay More Focused « CBS San Francisco.