Geometrical–optical are visual illusions, also optical illusions, in which the geometrical properties of what is seen differ from those of the corresponding...

to describe this illusion was German psychologist Franz Müller-Lyer in 1889. His article presents a collection of geometrical illusions of size, including...

determining factor in the tilt's direction. Visual illusions Geometrical-optical illusions "Münsterberg illusion". Oxford Reference. Oxford University Press...

based on Kokichi Sugihara's ambiguous cylinder illusion. Distorting or geometrical-optical illusions are characterized by distortions of size, length...

geometrical-optical illusions highlighting how spatial context influences perception.Related illusions include: Zöllner illusion Müller-Lyer illusion...

The Ponzo illusion is a geometrical-optical illusion that takes its name from the Italian psychologist Mario Ponzo (1882–1960). Ponzo never claimed to...

to Optical illusion. Optical Illusion Examples by Great Optical Illusions Optical Illusions & Visual Phenomena by Michael Bach Optical Illusions Database...

The Hering illusion is one of the geometrical-optical illusions and was discovered by the German physiologist Ewald Hering in 1861. When two straight and...

The Oppel–Kundt illusion is a geometric optical illusion that occurs when comparing the sizes of filled (with some visual elements, distractors) and unfilled...

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...

number of trompe-l'œil illusions alongside other optical illusions, captured through a one-shot take. Trompe-l'œil illusions have been used as gameplay...

A vanishing puzzle is a mechanical optical illusion comprising multiple pieces which can be rearranged to show different versions of a picture depicting...

figures (see left) as was emphasized by Ernst Mach. As with geometrical-optical illusions the oblique effect can be examined at two levels. The physiological...

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...

Vertical–horizontal illusion (Wikiversity tutorial) Geometrical-optical illusions Robinson, J.O. (1998). The psychology of visual illusion. Courier Dover Publications...

The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them...

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...

one for the angle of orientation of the astigmatism. Optical illusions (also called visual illusions) are characterized by visually perceived images that...

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...

The Necker cube is an optical illusion that was first published as a rhomboid in 1832 by Swiss crystallographer Louis Albert Necker. It is a simple wire-frame...

including the "Perceiving the present" hypothesis to understand optical illusions, the "Nature-Harnessing" theory for the origins of writing, speech...

book Mind Sights, a collection of illusions that he had created. It is one of the most powerful optical illusions, typically creating length miscalculations...

Hooper's paradox is a falsidical paradox based on an optical illusion. A geometric shape with an area of 32 units is dissected into four parts, which...

The watercolor illusion, also referred to as the water-color effect, is an optical illusion in which a white area takes on a pale tint of a thin, bright...

specialized in visual perception and visual illusions of geometrical shape, brightness, color, in motion illusions and other visual phenomena like Gestalt...

reflex, a reflex of the pulmonary stretch receptors Hering illusion, a geometrical-optical illusion Hering's law of equal innervation, a law of the physiology...

Ninio, J (2014). "Geometrical Illusions are Not Always Where You Think They Are : A review of some classical and less classical illusions, and ways to describe...

like Plato's Cursed Triangle, are based on mathematical, geometrical, and/or optical illusions. One such online magic trick, called Esmeralda's Crystal...

neurological condition, and the many common distortions, called geometrical-optical illusions, are widely demonstrated but of minor consequence. Its founder...

when compared with converging chevrons. There are numerous similar geometrical illusions known now. Phasen der Kultur und Richtungslinien des Fortschritts...