"Although object-interactivity will likely improve memory of associations compared to static pictures and text, it may lead to the creation of vivid internally-generated recollections that pose as real memories. Consequently, compared to information conveyed via static pictures and text, object-interactivity may cause people to falsely recognize more non-presented features."
"Learning Through Virtual Product Experience: The Role of Imagery on True Versus False Memories", Ann E. Schlosser (pdf), to appear in the December issue of Journal of Consumer Research. Excellent discussion and summary on Collision Detection.