Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Optical_illusion> ?p ?o }
- Optical_illusion abstract "An optical illusion (also called a visual illusion) is 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, and contrasted with optical hallucinations. Physiological illusions, such as the afterimages following bright lights, or adapting stimuli of excessively longer alternating patterns (contingent perceptual aftereffect), are presumed to be the effects on the eyes or brain of excessive stimulation or interaction with contextual or competing stimuli of a specific type—brightness, color, position, tile, size, movement, etc. The theory is that a stimulus follows its individual dedicated neural path in the early stages of visual processing, and that intense or repetitive activity in that or interaction with active adjoining channels cause a physiological imbalance that alters perception.The Hermann grid illusion and Mach bands are two illusions that are best explained using a biological approach. Lateral inhibition, where in the receptive field of the retina light and dark receptors compete with one another to become active, has been used to explain why we see bands of increased brightness at the edge of a color difference when viewing Mach bands. Once a receptor is active, it inhibits adjacent receptors. This inhibition creates contrast, highlighting edges. In the Hermann grid illusion the gray spots appear at the intersection because of the inhibitory response which occurs as a result of the increased dark surround. Lateral inhibition has also been used to explain the Hermann grid illusion, but this has been disproved. More recent empirical approaches to optical illusions have had some success in explaining optical phenomena with which theories based on lateral inhibition have struggled (e.g. Howe et al. 2005).".
- Optical_illusion thumbnail Grey_square_optical_illusion.svg?width=300.
- Optical_illusion wikiPageExternalLink knowledge-in-perception.pdf.
- Optical_illusion wikiPageExternalLink HCOG_A_303687_O.pdf.
- Optical_illusion wikiPageExternalLink SpiralOrNot.
- Optical_illusion wikiPageExternalLink qa-with-op-artist-still-images-that-move.
- Optical_illusion wikiPageExternalLink lite.html.
- Optical_illusion wikiPageExternalLink Visual%20illusions%20and%20neurobiology.pdf.
- Optical_illusion wikiPageExternalLink index_optical.html.
- Optical_illusion wikiPageExternalLink Illusions.
- Optical_illusion wikiPageExternalLink index-e.html.
- Optical_illusion wikiPageExternalLink Visual_illusions:_An_Emprical_Explanation.
- Optical_illusion wikiPageExternalLink ?no-ist.
- Optical_illusion wikiPageID "53497".
- Optical_illusion wikiPageLength "33488".
- Optical_illusion wikiPageOutDegree "161".
- Optical_illusion wikiPageRevisionID "706886188".
- Optical_illusion wikiPageWikiLink Afterimage.
- Optical_illusion wikiPageWikiLink Akinetopsia.
- Optical_illusion wikiPageWikiLink Akiyoshi_Kitaoka.
- Optical_illusion wikiPageWikiLink Albert_Einstein.
- Optical_illusion wikiPageWikiLink Alice_in_Wonderland_syndrome.
- Optical_illusion wikiPageWikiLink Ambiguous_image.
- Optical_illusion wikiPageWikiLink Animation.
- Optical_illusion wikiPageWikiLink Ascending_and_Descending.
- Optical_illusion wikiPageWikiLink Auditory_illusion.
- Optical_illusion wikiPageWikiLink Barberpole_illusion.
- Optical_illusion wikiPageWikiLink Ben_Heine.
- Optical_illusion wikiPageWikiLink Blue_field_entoptic_phenomenon.
- Optical_illusion wikiPageWikiLink Bridget_Riley.
- Optical_illusion wikiPageWikiLink Café_wall_illusion.
- Optical_illusion wikiPageWikiLink Camouflage.
- Optical_illusion wikiPageWikiLink Category:Articles_containing_video_clips.
- Optical_illusion wikiPageWikiLink Category:Consciousness_studies.
- Optical_illusion wikiPageWikiLink Category:Optical_illusions.
- Optical_illusion wikiPageWikiLink Category:Optical_phenomena.
- Optical_illusion wikiPageWikiLink Charles_Allan_Gilbert.
- Optical_illusion wikiPageWikiLink Chronostasis.
- Optical_illusion wikiPageWikiLink Closed-eye_hallucination.
- Optical_illusion wikiPageWikiLink Closed_head_injury.
- Optical_illusion wikiPageWikiLink Cognition.
- Optical_illusion wikiPageWikiLink Color_blindness.
- Optical_illusion wikiPageWikiLink Color_constancy.
- Optical_illusion wikiPageWikiLink Contingent_aftereffect.
- Optical_illusion wikiPageWikiLink Contour_rivalry.
- Optical_illusion wikiPageWikiLink Depth_perception.
- Optical_illusion wikiPageWikiLink Dick_Termes.
- Optical_illusion wikiPageWikiLink Diorama.
- Optical_illusion wikiPageWikiLink scholarpedia.3706.
- Optical_illusion wikiPageWikiLink Ebbinghaus_illusion.
- Optical_illusion wikiPageWikiLink Emmerts_law.
- Optical_illusion wikiPageWikiLink Empirical_theory_of_perception.
- Optical_illusion wikiPageWikiLink Entoptic_phenomenon.
- Optical_illusion wikiPageWikiLink Evolutionary_psychology.
- Optical_illusion wikiPageWikiLink Eye_disease.
- Optical_illusion wikiPageWikiLink Figure–ground_(perception).
- Optical_illusion wikiPageWikiLink File:Spinning_Dancer.gif.
- Optical_illusion wikiPageWikiLink Flashed_Face_Distortion_Effect.
- Optical_illusion wikiPageWikiLink Forced_perspective.
- Optical_illusion wikiPageWikiLink Geometrical-optical_illusions.
- Optical_illusion wikiPageWikiLink Germany.
- Optical_illusion wikiPageWikiLink Gestalt_psychology.
- Optical_illusion wikiPageWikiLink Gianni_A._Sarcone.
- Optical_illusion wikiPageWikiLink Giuseppe_Arcimboldo.
- Optical_illusion wikiPageWikiLink Glare_(vision).
- Optical_illusion wikiPageWikiLink Gravity_hill.
- Optical_illusion wikiPageWikiLink Grid_illusion.
- Optical_illusion wikiPageWikiLink Hallucination.
- Optical_illusion wikiPageWikiLink Hallucinogen_persisting_perception_disorder.
- Optical_illusion wikiPageWikiLink Halo_(optical_phenomenon).
- Optical_illusion wikiPageWikiLink Hering_illusion.
- Optical_illusion wikiPageWikiLink Hermann_von_Helmholtz.
- Optical_illusion wikiPageWikiLink Hidden_faces.
- Optical_illusion wikiPageWikiLink Hybrid_image.
- Optical_illusion wikiPageWikiLink Illusion.
- Optical_illusion wikiPageWikiLink Illusory_contours.
- Optical_illusion wikiPageWikiLink Illusory_motion.
- Optical_illusion wikiPageWikiLink Illusory_palinopsia.
- Optical_illusion wikiPageWikiLink Impossible_object.
- Optical_illusion wikiPageWikiLink Infinity_edge_pool.
- Optical_illusion wikiPageWikiLink Infrasound.
- Optical_illusion wikiPageWikiLink István_Orosz.
- Optical_illusion wikiPageWikiLink Jasper_Johns.
- Optical_illusion wikiPageWikiLink Jonty_Hurwitz.
- Optical_illusion wikiPageWikiLink Kinetic_depth_effect.
- Optical_illusion wikiPageWikiLink Lateral_inhibition.
- Optical_illusion wikiPageWikiLink Lilac_chaser.
- Optical_illusion wikiPageWikiLink M._C._Escher.
- Optical_illusion wikiPageWikiLink Mach_bands.
- Optical_illusion wikiPageWikiLink Macropsia.
- Optical_illusion wikiPageWikiLink Marcel_Duchamp.
- Optical_illusion wikiPageWikiLink Marilyn_Monroe.
- Optical_illusion wikiPageWikiLink Mark_Changizi.
- Optical_illusion wikiPageWikiLink Metamorphopsia.
- Optical_illusion wikiPageWikiLink Micropsia.
- Optical_illusion wikiPageWikiLink Migraine.
- Optical_illusion wikiPageWikiLink Mirage.
- Optical_illusion wikiPageWikiLink Motion_aftereffect.
- Optical_illusion wikiPageWikiLink Motion_perception.
- Optical_illusion wikiPageWikiLink Multistable_perception.