someone actually made a paper about this topic, there is definitely a good and a bad in anything. on his research,"World of Warcraft, strongly stimulate the production of dopamine. Dopamine is critical in motor functions and the lack of this chemical causes Parkinson’s disease. So in essence, video games are a preventative measure against Parkinson’s disease. Dopamine also controls many actions taken in the frontal lobe of a brain. Without dopamine in the frontal lobe of the brain, memory, attention, and problem solving abilities decline dramatically. The lack of dopamine as researched by scientists is found to cause attention deficit disorder and schizophrenia. "
after reading that post, i realized it supported this article on
ADHD. there is actually a game station in contact with patients, and it's much cheaper than the normal treatment programs for this kind of disorder.