At-home brain stimulation gaining followers

DIY head zappers hope to become better gamers and problem solvers, but the technology may not be ready for prime time

man with electrodes on his head

BRAIN HACK Brain stimulators have escaped the lab — ready or not — and people are juicing their brains from the comfort of home.

Eli Meir Kaplan

The first time Nathan Whitmore zapped his brain, he had a college friend standing by, ready to pull the cord in case he had a seizure.