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curvature illusion

Overview page. Subjects: Psychology.

A visual illusion in which a semicircle appears more curved than a shorter circular arc with the same radius of curvature (see illustration). The illusion appears to have been discovered by...

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curvature illusion

Overview page. Subjects: Psychology.

A visual illusion in which a semicircle appears more curved than a shorter circular arc with the same radius of curvature (see illustration). The illusion appears to have been discovered by...

See overview in Oxford Index

curvature illusion <i>n.</i>

Andrew M. Colman.

in A Dictionary of Psychology

January 2008; p ublished online January 2009 .

Reference Entry. Subjects: Psychology. 144 words.

A visual illusion in which a semicircle appears more curved than a shorter circular arc with the same radius of

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Tolansky's curvature illusion

Andrew M. Colman.

in A Dictionary of Psychology

January 2008; p ublished online January 2009 .

Reference Entry. Subjects: Psychology. 6 words.

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curvature illusion <i>n.</i>

Andrew M. Colman.

in A Dictionary of Psychology

January 2015; p ublished online May 2015 .

Reference Entry. Subjects: Psychology. 144 words.

A visual illusion in which a semicircle appears more curved than a shorter circular arc with the same radius of

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Tolansky’s curvature illusion

Andrew M. Colman.

in A Dictionary of Psychology

January 2015; p ublished online May 2015 .

Reference Entry. Subjects: Psychology. 6 words.

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associative illusion

Overview page. Subjects: Psychology.

Any visual illusion in which one part of an image or object is misperceived because of the effect of another. Also called a geometric illusion. See Baldwin illusion, chequer-shadow...

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visual illusion

Overview page. Subjects: Psychology.

Any of a diverse and heterogeneous group of illusions in the visual domain, also called optical illusions, the most significant of which fall into the following inexact and overlapping...

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The Spinning Ellipse Speed Illusion

Gideon Paul Caplovitz, Po-Jang Hsieh, Peter J. Kohler and Katharine B. Porter.

in The Oxford Compendium of Visual Illusions

July 2017; p ublished online June 2017 .

Chapter. Subjects: Cognitive Psychology; Neuroscience. 2272 words.

The Spinning Ellipse Speed Illusion is an illusion of perceived speed in which a low-aspect ratio “fat” ellipse will appear to rotate more slowly than a higher-aspect ratio “skinny” ellipse...

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The Bogart Effect

Sharon Gilad-Gutnick, Rohan Varma and Pawan Sinha.

in The Oxford Compendium of Visual Illusions

July 2017; p ublished online June 2017 .

Chapter. Subjects: Cognitive Psychology; Neuroscience. 2419 words.

While a geometry-based eye-gaze estimation strategy has been the basis of many theories regarding the direction of one’s gaze, such a strategy relies on relatively detailed curvature...

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Tactile and haptic perceptual organization

Astrid M.L. Kappers and W.M. Bergmann Tiest.

in The Oxford Handbook of Perceptual Organization

August 2015; p ublished online July 2014 .

Article. Subjects: Psychology; Cognitive Psychology. 9643 words.

This chapter gives an overview of human haptic perception. Discussed are, in particular, the perception of object properties such as curvature, shape, size, length, volume, and weight, and...

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Why the <i>R</i> <sub>h</sub> = <i>ct</i> cosmology is a vacuum solution in disguise and why all big bang models should be so

Abhas Mitra.

in Monthly Notices of the Royal Astronomical Society

P ublished online June 2014 .

Journal Article. Subjects: Astronomy and Astrophysics. 4061 words.

Recently, Melia and his coworkers have proposed the so-called R h = ct cosmology where the scale factor of the universe is a(t) ∝ t and the spatial part is flat. Here, we look...

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