The next time you're in the market for a new camera, it might be best to read about the product's capabilities in a brochure rather than taking it for a test-run in an interactive, computer-generated virtual world. New research finds that's because while Web sites offering object interactivity may improve vivid mental images compared to those with simple static pictures and text, those virtual experiences can lead to the creation of fabricated recollections that pose as memories – commonly referred to by psychologists as false positives.