• Thumbnail for Optical illusion
    In visual perception, an optical illusion (also called a visual illusion) is an illusion caused by the visual system and characterized by a visual percept...
    51 KB (5,401 words) - 20:39, 23 May 2025
  • Thumbnail for List of optical illusions
    to Optical illusion. Optical Illusion Examples by Great Optical Illusions Optical Illusions & Visual Phenomena by Michael Bach Optical Illusions Database...
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  • generally shared by most people. Illusions may occur with any of the human senses, but visual illusions (optical illusions) are the best-known and understood...
    16 KB (1,898 words) - 22:29, 26 May 2025
  • Archived from the original on 13 July 2019. Retrieved 10 May 2015. "Optical illusion: Dress color debate goes global". BBC News. BBC. Archived from the...
    43 KB (4,098 words) - 08:45, 23 April 2025
  • Thumbnail for Grid illusion
    the scintillating grid illusion. The Hermann grid illusion is an optical illusion reported by Ludimar Hermann in 1870. The illusion is characterized by "ghostlike"...
    8 KB (946 words) - 03:55, 25 May 2025
  • Geometrical–optical are visual illusions, also optical illusions, in which the geometrical properties of what is seen differ from those of the corresponding...
    10 KB (1,280 words) - 05:20, 20 December 2024
  • Thumbnail for The Great Illusion
    The Great Illusion is a book by Norman Angell, first published in the United Kingdom in 1909 under the title Europe's Optical Illusion and republished...
    9 KB (1,102 words) - 16:22, 26 May 2025
  • Thumbnail for Puzzling World
    in 1973, gradually expanding to become an award-winning complex of optical illusions and puzzling rooms and the world's first 3-D maze. Puzzling World...
    11 KB (1,147 words) - 22:12, 25 December 2024
  • Thumbnail for Checker shadow illusion
    The checker shadow illusion is an optical illusion published by Edward H. Adelson, professor of vision science at MIT, in 1995. The image depicts a checkerboard...
    3 KB (305 words) - 04:19, 31 May 2025
  • Thumbnail for Müller-Lyer illusion
    The Müller-Lyer illusion is an optical illusion consisting of three stylized arrows. When viewers are asked to place a mark on the figure at the midpoint...
    16 KB (1,870 words) - 07:24, 28 December 2024
  • Thumbnail for Moon illusion
    The Moon illusion is the optical illusion of the Moon appearing larger near the horizon than it does higher up in the sky. It has been known since ancient...
    18 KB (2,183 words) - 20:18, 7 April 2025
  • Op art (redirect from Optical art)
    Op art, short for optical art, is a style of visual art that uses optical illusions. Op artworks are abstract, with many better-known pieces created in...
    17 KB (1,906 words) - 13:23, 17 April 2025
  • free-standing anaglyphs, levitated images, and book anaglyphs, are a form of optical illusion. Phantograms use perspectival anamorphosis to produce a 2D image that...
    6 KB (724 words) - 20:20, 12 March 2025
  • Thumbnail for Jastrow illusion
    The Jastrow illusion is an optical illusion attributed to the Polish-American psychologist Joseph Jastrow. This optical illusion is known under different...
    12 KB (1,539 words) - 19:44, 17 March 2025
  • Phantogram may refer to: Phantogram (band) Phantogram (optical illusion) Phantagram South Korean video game maker This disambiguation page lists articles...
    167 bytes (46 words) - 07:41, 12 May 2023
  • Thumbnail for Café wall illusion
    The café wall illusion (also known as the Münsterberg illusion or the kindergarten illusion) is a geometrical-optical illusion in which the parallel straight...
    5 KB (475 words) - 03:10, 25 May 2025
  • Thumbnail for Fraser spiral illusion
    spiral illusion is an optical illusion that was first described by the British psychologist Sir James Fraser (1863–1936) in 1908. The illusion is also...
    3 KB (292 words) - 11:43, 13 November 2024
  • Thumbnail for Zöllner illusion
    The Zöllner illusion is an optical illusion named after its discoverer, German astrophysicist Johann Karl Friedrich Zöllner. In 1860, Zöllner sent his...
    3 KB (286 words) - 03:21, 22 December 2024
  • Thumbnail for Rod (optical phenomenon)
    investigations proved that the appearance of flying rods on video was an optical illusion created by the slower recording speed of the camera. After attending...
    5 KB (599 words) - 17:24, 8 April 2025
  • Thumbnail for Akiyoshi Kitaoka
    Post Pavilion, which features a leaf covered optical illusion. He was asked by Jeff Koons to provide illusions for the interior packaging of Lady Gaga's...
    7 KB (735 words) - 03:30, 27 July 2024
  • Thumbnail for Illusory motion
    The term illusory motion, or motion illusion or apparent motion, refers to any optical illusion in which a static image appears to be moving due to the...
    10 KB (1,071 words) - 16:18, 21 December 2024
  • may sound like science fiction, but it's basically a really fancy optical illusion. In this case, the 5 dimensions inside of the discs are the size and...
    13 KB (1,294 words) - 08:59, 24 May 2025
  • Dewanpatpar magnetic hill, 40 km north of Pandariya, which has an optical illusion of a gravity hill where vehicle seems to defy the gravity and roll...
    5 KB (341 words) - 04:13, 4 July 2024
  • Thumbnail for Kalo Dungar
    a 400-year-old Dattatreya temple. Kalo Dungar magnetic hill is an optical illusion where a vehicle seems to defy the gravity and roll up the slope. The...
    6 KB (628 words) - 16:36, 7 May 2025
  • Thumbnail for Hollow-Face illusion
    The Hollow-Face illusion (also known as Hollow-Mask illusion) is an optical illusion in which the perception of a concave mask of a face appears as a normal...
    9 KB (1,057 words) - 23:55, 15 May 2025
  • Shepard elephant (category Optical illusions)
    known as L'egs-istential Quandary or the impossible elephant is an optical illusion, of the type impossible object, based on figure-ground confusion. As...
    9 KB (1,099 words) - 03:33, 28 October 2024
  • Flashed face distortion effect (category Optical illusions)
    faces than to inverted faces. Diaz, Jesus (2011-07-08). "This Freaky Optical Illusion Turns People Into Horrible Monsters". Gizmodo. Retrieved 2025-03-10...
    4 KB (371 words) - 15:14, 10 March 2025
  • Auditory illusions are illusions of real sound or outside stimulus. These false perceptions are the equivalent of an optical illusion: the listener hears...
    10 KB (1,135 words) - 07:03, 25 May 2025
  • Thumbnail for Ehrenstein illusion
    The Ehrenstein illusion is an optical illusion of brightness or color perception. The visual phenomena was studied by the German psychologist Walter H...
    10 KB (1,235 words) - 02:46, 27 May 2025
  • Thumbnail for Vertical–horizontal illusion
    Vertical–horizontal illusion (Wikiversity tutorial) Geometrical-optical illusions Robinson, J.O. (1998). The psychology of visual illusion. Courier Dover Publications...
    8 KB (951 words) - 14:48, 25 May 2025