Surprise! Electrocuting Your Brain Does Not Make You Smarter

There’s a relatively well-known theory that applying an electric current to your head in just the right way can improve cognition. It’s popular with some scientists, internet DIYers, and students at 2AM before a final. But according to a new double-blind study, transcranial direct current stimulation makes you the… » 5/08/15 6:00am 5/08/15 6:00am