1/28/2004   slide 25
An Aside  Importance of Optical Illusions
•Are exactly situations that don’t occur in nature
•Illusions used to reveal processing rules of eye-brain perceptual system
•May seem silly, but can reveal profound things
•Perceptual system makes a best-guess, but sometimes, especially in carefully chosen situations, the system is wrong
http://www.michaelbach.de/ot/
http://www.michaelbach.de/ot/