shantha actually 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 program first tests how quickly the test subjects console simple tasks. then they're asked to focus on more and more features such as color form and pattern under increasing time pressure. attorney these are situations in which our brain has to make a clear distinction between various steps and decisions we do these things more or less automatically before our brain it's hard work. yana from the cove also carries out m.r.i. scans on her test subjects she wants to see exactly which regions of the brain are being activated. the frontal lobes are responsible for handling complex tasks. that's a sign to him that's the part of the brain that's located behind our forehead back allocates how many resources are devoted to each particular task it means it when we're dealing with several tasks that once this part of the brain has to work