a stimulus our brains were process that then we focus on the next one. but this kind of situation is becoming increasingly rare neuroscientists yana from the cove or is investigating how our brains cope when they're forced to continually switch between tasks. she's conducting experiments in which people have to solve a set of complicated exercises. they're asked to distinguish between monsters on a computer screen that entails keeping track of 9 different distinct characteristics and identifying them by clicking on the right keys. shunk them it's hard if they really have to concentrate. the experiment is intended to simulate situations we face at work and in our leisure time but we have to tackle a wide range of tasks in rapid succession. the