This is your brain on PvP

Ars Technica has news of a new study that isn't directly World of Warcraft-related, but that does have some pretty obvious applications in Azeroth. By studying the way we play when we believe we're competing against a human and a computer opponent (PvP vs. PvE, in WoW terms), scientists have determined that different parts of the brain are more active when we think we're playing against a human