hamburg's university clinics say people who play action games do not behave more aggressively in the long run other studies show that playing a lot of violent games can leave you emotionally numb but there is no evidence that violent games make someone more prone to violence so how do our brains really react when we play shooters. that's exactly what daphne from the university of geneva wants to find out she has people play 1st person shooters while hooked up to a magnetic resonance imaging scanner and the results show that in some ways games can lead to structure changes in the brain and in action video players we know that the structures change and change for the better they communicate better with each other such that for them paying attention is less. well we were surprised by that and activities i was so dim in the eyes by society. really conceived as a tool waste of time and could have positive effects on something as fundamental