Zap your brain to improve your maths

摘要

Bad at sums? Get muddled at the market? If so, you could benefit from a machine that improves your way with numbers by stimulating a particular area of the brain. Roi Cohen Kadosh at the University of Oxford and colleagues applied transcranial direct current stimulation (tDCS) - a way of changing the voltage across neurons that makes them more or less likely to fire - to the right parietal cortex while simultaneously using the opposite current to subdue activity in the left.