Zapping the brain improves creativity

PAUL MCCARTNEYDCS famously took the melody for “Yesterday” from a dream, while Thomas Edison argued that his best ideas came from hard work. Others have looked to coffee, drugs or love. But what if creativity could be turned on with a flick of a switch?Elisabeth Hertenstein at the University of Freiburg, Germany, and her colleagues have done just that, using a technology known as transcranial direct current stimulation (t). Their insights could help creatives to stay at the top of their game.