Optical illusion
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An optical illusion (also called a visual illusion) is characterized by visually perceived images that differ from objective reality. The information gathered by the eye is processed in the brain to give a perception that does not tally with a physical measurement of the stimulus source. There are three main types: literal optical illusions that create images that are different from the objects that make them, physiological ones that are the effects on the eyes and brain of excessive stimulation of a specific type (brightness, colour, size, position, tilt, movement), and cognitive illusions, the result of unconscious inferences.
- Related: Alice in Wonderland syndrome, Auditory illusion, Barberpole illusion, Camouflage, Contour rivalry, Depth perception, Emmert's law, Entoptic phenomenon, Forced perspective, Geometrical-optical illusions, Gestalt psychology, Gravity hill, Hybrid image, Illusion, Infinity edge pool, Kinetic depth effect, Mirage, Multistable Perception, Op Art, Trompe l'oeil, Visual space, Closed-eye hallucination, Image burn-in
| Optical illusions and perception paradoxes Optical illusions and perception paradoxes www.archimedes-lab.org/index_optical.html - Web |
| Project LITE Atlas of Visual Phenomena Project LITE Atlas of Visual Phenomena lite.bu.edu/vision/applets/lite/lite/lite.html - Web |
| Akiyoshi's illusion pages Akiyoshi's illusion pages www.ritsumei.ac.jp/~akitaoka/index-e.html - Web |
Gallery for «Optical illusion»
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| Spiral Or Not? Spiral Or Not? demonstrations.wolfram.com/SpiralOrNot/ - Web |
| Hunch Optical Illusions Hunch Optical Illusions hunch.com/optical-illusions/ - Web |
| Silencing awareness of visual change by motion Silencing awareness of visual change by motion visionlab.harvard.edu/silencing/ - Web |
