Entertain Your Brain (National Geographic-OSN) (Optical Illusion)

Entertain Your Brain (National Geographic-OSN) (Optical Illusion)

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What is Optical Illusion?

An optical illusion (also called a montasir) is an illusion caused by the eye and 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 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.

Optical illusions are often classified into categories including the physical and the cognitive or perceptual,[1] and contrasted with optical hallucinations.

Source:- https://en.wikipedia.org/wiki/Optical_illusion

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