ILLUSIONS & IMPOSSIBLE FIGURES A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Titchener illusion Also known as the Ebbinghaus size illusion, a well-known distortion illusion. The circles surrounded by the six big circles and the six small circles are, despite appearances, exactly the same size. Related category    • ILLUSIONS AND IMPOSSIBLE FIGURES Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP