My and a huge group of people are currently conducting tests to compair video game preforrmance with and with out caffeine (for a school project) we have done 1 test so far and so far we see a huge increce in reflexes and skill in Unreal tournament 2004 when you drink Caffeine.
Here is the comparison video number 1
[ame=http://www.youtube.com/watch?v=6IcjO4dUIUk]YouTube - Do you shoot better with or with out Caffeine[/ame]
THe first part is with out caffeine and the second part is after drinking 2 cups of coffee and 1 red-bull there is a much better increese with the caffeine even tho this player was not very skilled compaired to me
The next test is in progress and i will keep you updated
we plan on having a finnal answer with in 1-2 weeks over 20-25 tests