From Vision Research vol 44 p1493 via NewScientist 26.6.04.
Adding visual noise to a picture of the Mona Lisa affected how people saw it. No, really. The scientists responsible for this study believe that the visual system’s own noise causes this effect. But anyone looking at the picture can see that if visual noise affects the picture, it -er- affects the picture. If the researchers don’t believe this, I have a project that involves adding random noise to their research grant budget figure…