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  2. Optical illusion - Wikipedia

    en.wikipedia.org/wiki/Optical_illusion

    Optical illusion is also used in film by the technique of forced perspective. Op art is a style of art that uses optical illusions to create an impression of movement, or hidden images and patterns. Trompe-l'œil uses realistic imagery to create the optical illusion that depicted objects exist in three dimensions.

  3. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    A trompe-l'œil body painting by Joanne Gair. The dress: An optical illusion resulting from the brain's attempt to discount coloured tinting from daylight and other sources. [1] The dress was a viral phenomenon, which was either seen as blue and black or as white and gold. Its true colours were eventually confirmed to be blue and black. [2]

  4. Visual system - Wikipedia

    en.wikipedia.org/wiki/Visual_system

    The visual system is the physiological basis of visual perception (the ability to detect and process light).The system detects, transduces and interprets information concerning light within the visible range to construct an image and build a mental model of the surrounding environment.

  5. Illusion - Wikipedia

    en.wikipedia.org/wiki/Illusion

    Other illusions occur due to biological sensory structures within the human body or conditions outside the body within one's physical environment. The term illusion refers to a specific form of sensory distortion. Unlike a hallucination, which is a distortion in the absence of a stimulus, an illusion describes a misinterpretation of a true ...

  6. Lateral inhibition - Wikipedia

    en.wikipedia.org/wiki/Lateral_inhibition

    The rods in the center of the stimulus will transduce the "light" signal to the brain, whereas different rods on the outside of the stimulus will send a "dark" signal to the brain due to lateral inhibition from horizontal cells. This contrast between the light and dark creates a sharper image. (Compare unsharp masking in digital processing).

  7. 68 Optical Illusions That Your Brain Just Isn't Ready To Handle

    www.aol.com/news/68-optical-illusions-head-spin...

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  8. Visual processing - Wikipedia

    en.wikipedia.org/wiki/Visual_processing

    The visual system is organized hierarchically, with anatomical areas that have specialized functions in visual processing. Low-level visual processing is concerned with determining different types of contrast among images projected onto the retina whereas high-level visual processing refers to the cognitive processes that integrate information from a variety of sources into the visual ...

  9. Troxler's fading - Wikipedia

    en.wikipedia.org/wiki/Troxler's_fading

    Troxler's fading, also called Troxler fading or the Troxler effect, is an optical illusion affecting visual perception. When one fixates on a particular point for even a short period of time, an unchanging stimulus away from the fixation point will fade away and disappear. Research suggests that at least some portion of the perceptual phenomena ...