Perception puzzles, Visual Perception, Optical illusions and Paradoxes. This page illustrates that our visual perception cannot always be trusted.
The components of an object can distort the perception of the complete object. Our mind is the final arbiter of truth. Most optical illusions are the result of 1) incongruent design elements at opposite ends of parallel lines, 2) influence of background patterns on the overall design, 3) adjustment of our perception at the boundaries of areas of high contrast, 4) afterimages resulting from eye movements or from kinetic displays, or 5) inability to interpret the spatial structure of an object from the context provided by the picture. The Parthenon Optical illusions have been studied for millenia. Perpetually ascending staircase. The red squares are the same color in the upper part and in the lower part of the "X" The diagonal lines are parallel.
There are no gray spots at the corners of the squares. Stairway between corners of a flat square. The rows of black and white squares are all parallel. Impossible triangle. Color Survey Results « xkcd. Who in the rainbow can draw the line where the violet tint ends and the orange tint begins?
Distinctly we see the difference of the colors, but where exactly does the one first blendingly enter into the other? So with sanity and insanity. —Herman Melville, Billy Budd Orange, red? I don’t know what to believe anymore! I WILL EAT YOUR HEART WITH A FUCKING SPOON IF YOU AKS ANY MORE QUESTIONS ABOUT COLORS —Anonymous, Color Survey Thank you so much for all the help on the color survey. First, a few basic discoveries: If you ask people to name colors long enough, they go totally crazy. Overall, the results were really cool and a lot of fun to analyze. Sex By a strange coincidence, the same night I first made the color survey public, the webcomic Doghouse Diaries put up this comic (which I altered slightly to fit in this blog, click for original): Basically, women were slightly more liberal with the modifiers, but otherwise they generally agreed (and some of the differences may be sampling noise).
MRC CBU, Cambridge » Matt Davis.