An optical illusion characterized by visually perceived images that, at least in common sense terms, are deceptive or misleading. so the information gathered by the eye is processed by the brain to give, on the face of it, a percept that does not tally with a physical measurement of the stimulus source. A conventional assumption is that there are physiological illusions that occur naturally and cognitive illusions that can be demonstrated by specific visual tricks that say something more basic about how human perceptual systems work.
Puzzles and Mazes :: Games
Senses :: Humans

Akiyoshi's Illusion Pages - Includes anomalous motion illusions.
Art for Kids - The Boggler - A collection of interactive optical illusions. Also includes links to sections featuring famous artists, interactive drawing and puzzles.
Brain Teasers - Scary Optical Illusions - Includes ambiguity pictures, scary equivocal illusions, and moving objects illusions.
Meta Description: [ Scary optical illusions and pictures - an easy way to trick the human eye. ]
Colorcube - Illusions organized by category, including blind spot, blink effect, bordering, chromatic adaptation, colorblindness, and others.
Counter-Rotating Spirals Illusion - Java applet, including other illusions, such as an animated Necker cube.
Meta Description: [ Java Applet: Counter-Rotating Spirals Illusion ]
Crazy Images - Interactive animations and optical illusions that respond to user's input.
Meta Description: [ Our web site is full of cool images to keep you amazed and entertained. ]
Eluzions' Optical Illusions - Contains many optical illusions, illustrating a wide range of visual anomalies and surprising optical effects. A free screensaver, posters, and educational explanations are also provided.
Meta Description: [ Contains many optical illusions, illustrating a wide range of visual anomalies and surprising optical effects. A free screensaver, posters, and educational explanations are also provided. ]
Eye Magic - Collection of high quality optical illusions that come with clear explanations.
Meta Description: [ Eye magic - optical illusions with a difference! This site reveals the many mysteries behind what we see, or think we see. ]
Eyetricks.com - Collection of illusions and other mind teasing oddities. Includes illusions that you can make.
Meta Description: [ eyetricks.com provides a wide selection of online optical illusions and other mind teasing oddities. ]
Eyetricks.com: Optical Illusions - Collection of optical illusions, brain teasers and games.
Meta Description: [ eyetricks.com provides a wide selection of online optical illusions and other mind teasing oddities. ]
Illusion Works - A multimedia museum of optical and sensory illusions, with on-line demonstrations and explanations.
M.C. Escher - Optical illusion art, news, history, copyright and foundation information.
Magic Eye Image of the Week - Includes a new image every week demonstrating stereograms.
Meta Description: [ The home of Magic Eye Inc., creators of the world-wide stereogram craze of the 90's. ]
NIEHS Kids Page -- Optical Illusions - Presented by the National Institute of Environmental Health Sciences. A collection of illusions.
Meta Description: [ Kids Page Fun with Optical Illusions -- presented by the National Institute of Environmental Health Sciences as a means of introducing kids to science and research interests. ]
Optical Illusions - Some classic optical illusions with explanations for how they work.
Meta Description: [ Virtual Campus ]
Optical Illusions - From the Department of Ophthalmology and Visual Science at the University of Illinois, a collection of illusions and after images.
Optical Illusions Etc - Contains many optical illusions in blog format.
Meta Description: [ Challenge your skills of perception. This site is all about the many different forms of Optical Illusions. Whether these optical illusions are conveyed through fractals, architecture, art, or other forms, they are bound to remind you that seeing is not believing. ]
Sandlot Science - Interactive optical illusions, games, science projects, fun puzzles, and distortions.
The Exploratorium's Online Exhibits: Seeing Exhibits - Interactive illusions from the exploratorium.
Meta Description: [ Online versions of The Exploratorium's famous exhibits. From San Fransico's museum of science art and human perception. ]
Visual Phenomena and Optical Illusions - Interactive illusions, including Benham's disk and other illusions involving motion.
Meta Description: [ visual phenomena, optical illusion, visual illusion ]
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