C) Further Research - "Are Optical Illusions Universal?" ... b) explain the principle that lies behind this type of illusion.

Consider the Muller-Lyer illusion, according to the depth theory, the arrowheads on the ends of the horizontal lines can be seen as angles formed by two intersecting surfaces.

What is an Illusion?; by JR. Block, Ph.D.; Professor of Psychology, ... The Sandlotscience home page is devoted to optical illusions. Many different kinds are recognized and grouped together.

Instructions for Viewing the Illusion: ... In 1935, the artist Marcel Duchamp produced a set of 12 rotating optical illusions called Rotoreliefs. These were meant to be observed on a

There are lots of pictures on this page. Therefore, it may take a while to download all of them. Please wait !!! ... This is the Bunny/Duck illusion.

Optical illusions are caused by interestingly complex structure of our eyes and brain. To know about causes of optical illusions, read on… Causes of Optical Illusions. ... Why do Optical Illusions Occur

Lessons from an Optical Illusion is a bold modern recasting of the age-old nature-nurture debate, informed by revolutionary insights from brain science, artificial intelligence,

All theories of optical illusion in the third link are mere jejune speculation. Feel free to create your own theories; they will be as valid as those created by many a psychologist!

This optical illusion should cause the writing to be wavy (much like heat waves on the highway on a very hot day!)

On this optical illusion web site, ... Many things cause geometrical optical illusions, among them are the location of an object in the visual field, whether the extent of an area is filled or