Irradiation illusion
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The irradiation illusion is an illusion of visual perception in which a light area of the visual field looks larger than an otherwise identical dark area. It was named by Hermann von Helmholtz around 1867;[1] but the illusion was familiar to scientists long before then; Galileo mentions it in his 1632 book Dialogue Concerning the Two Chief World Systems.[2] It arises partly from scattering of light inside the eye. This has the effect of enlarging the image of a light area on the retina.
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Optical illusions (list)
- Afterimage
- Ambigram
- Ambiguous image
- Ames room
- Autostereogram
- Barberpole
- Bezold
- Café wall
- Checker shadow
- Chubb
- Cornsweet
- Delboeuf
- Ebbinghaus
- Ehrenstein
- Flash lag
- Fraser spiral
- Gravity hill
- Grid
- Hering
- Impossible trident
- Irradiation
- Jastrow
- Lilac chaser
- Mach bands
- McCollough
- Müller-Lyer
- Necker cube
- Oppel-Kundt
- Orbison
- Penrose stairs
- Penrose triangle
- Peripheral drift
- Poggendorff
- Ponzo
- Rubin vase
- Sander
- Schroeder stairs
- Shepard tables
- Spinning dancer
- Ternus
- Vertical–horizontal
- White's
- Wundt
- Zöllner
- Op art
- Trompe-l'œil
- Spectropia (1864 book)
- Ascending and Descending (1960 drawing)
- Waterfall (1961 drawing)
- The dress (2015 photograph)
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