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CRAZY OPTICAL ILLUSIONS - You Must Try These Trippy Mind Bending Illusions\r
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Optical illusion are fascinating! They also teach us about our visual perception, and its limitations. Emphasis here is on the beauty of perceptual phenomena, on interive experiments, and explanation of the visual mechanisms involved – to the degree that they are understood\r
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Befriending mobile devices: 80 interive demos now without Flash, but requiring up-to-date browser versions.\r
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Dont let it irk you if you dont see all the phenomena described. For many illusions, there is a percentage of people with perfectly normal vision who just dont see it, often for reasons currently unknown.\r
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If you are not a vision scientist, you might find my explanation attempts too highbrow. That is not on purpose, but vision research is not trivial, like any science. So, if the explanation seems gibberish, simply enjoy the phenomenon ;–). More: Bach & Poloschek (2006) Optical Illusions Primer.\r
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Optical illusion sounds pejorative, as if exposing a malfunction of the visual system. Rather, I view these phenomena as highlighting particular good adaptations of our visual system to experience with standard viewing situations. These experiences are based on normal visual experiences, and thus under unusual contexts can lead to inappropriate interpretations of a visual scene Bayesian interpretation of perception An optical illusion also called a visual illusion is charerized 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 illusions that are the effects of excessive stimulation of a specific type brightness, colour, size, position, tilt, movement , and cognitive illusions, the result of unconscious inferences. Pathological visual illusions arise from a pathological exaggeration in physiological visual perception mechanisms causing the aforementioned types of illusions. prank bf vs gf vitalyztv trollstation \r
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Optical illusions are often classified into categories including the physical and the cognitive or perceptual, and contrasted with optical hallucinations.\r
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Viewer discretion advised! Do not scroll down unless your brain is made of steel and your nerves are Teflon. Some people simply cannot stand optical illusions\r
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You cannot explain how many optical illusions work without giving the reader an idea of the brains structure and performance. While some illusions are all about your eyes abilities and limitations, many of the most stunning and intriguing illusions occur due to an aspect of the brains processing of signals and the millions of judgment calls it makes. Its all rather marvellous for something the size of a small cauliflower! Here, we start off by detailing some of the key parts of the brain, from the cerebellum to occipital lobes, the sorts of tasks they are involved in and how they inter\r
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A pathological visual illusion is a distortion of a real external stimulus[4] and are often diffuse and persistent. Pathological visual illusions usually occur throughout the visual field, suggesting global excitability or sensitivity alterations.[5] Alternatively visual hallucination is the perception of an external visual stimulus where none exists.[4] Visual hallucinations are often from focal dysfunction and are usually transient.
