Most likely the nausea is due to the 60z refresh rate on the screen the tv. Watching TV with full motion video the refresh rate is not usually a problem even for someone hypersensitive to such things (I am). With a video game the brighter colors and more common still graphics you are more likely to have a problem. It can happen that over time you get more sensitive. I use to work on Hughes on an old B&W Sun terminal with Interleaf. After about 2 months I could not even glance at one of those monitors without getting headache. Jedi Knight II also did that to me. I played it for a while with no problem and then I was not able to play at all without getting ill. Certain kinds of motion on the screen can do it to me. Lots of indoor 1st person view point with short jerky motion can really mess me up. I have to limit the amount of time I play 'first person shooter' type games if there is a lot of close quarters. With a video game system about the only help is to use and LCD screen (refresh rate is not visually detectable) or try some other game and hope it is better. Also sitting farther back helps a lot since proportionally your brain is getting less data that it does not like. Motion and visual related nausea are funny things. Usually the first thing that I notice is my eyes try to close like I am sleepy. That is a subconscious reaction to visual stimuli your brain does not like and a good clue that worse is coming soon. I am sensitive to such things so I have spent some time paying attention to my reactions. Hope it is of use. I find that once you reach that 'snap' point it is hard to deal with that particular stimuli again. It is probably a preemptive defense the brain puts in the subconscious.
wow. I wrote this reply at about 9am and have been to busy to hit 'post' until now.
http://www.freerepublic.com/focus/news/1457426/posts?page=112#112
Hmmm, good to know I don't know any physikz.
wow... just how much critical data did yuh havetuh dump tuh retain that little tidbit?...