> Have any good studies been done that investigate > this alleged difference in perception? > Perhaps we should look at the frame rate and motion question, too. , Someone on the list may remember the research done by Trumball into high frame rates. I'm not aware of any formal publication of the results, but what was commonly mentioned was that rates about 60 frames/second produced markedly higher physiological responses from audiences. The film BRAINSTORM attempted to suggest this kind of effect by switching to a wide screen and stereo sound.