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Personality Test Site. Brain Fitness and Cognitive Health Authority: Market Research and Advisory Services. Geekologie - Gadgets, Gizmos, and Awesome. Optical Illusions and Visual Phenomena. Brain Fitness and Cognitive Health Authority: Market Research and Advisory Services. Brain Teasers, Puzzles, Riddles, Trivia and Games. Games for the Brain. Brain Fitness and Cognitive Health Authority: Market Research and Advisory Services. Perception puzzles, Visual Perception, Optical illusions and Paradoxes. This page illustrates that our visual perception cannot always be trusted.

Perception puzzles, Visual Perception, Optical illusions and Paradoxes

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.