Fandom

Psychology Wiki

Ames trapezoid

34,203pages on
this wiki
Add New Page
Talk0 Share

Ad blocker interference detected!


Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.

Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual differences | Personality | Philosophy | Social |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |

Cognitive Psychology: Attention · Decision making · Learning · Judgement · Memory · Motivation · Perception · Reasoning · Thinking  - Cognitive processes Cognition - Outline Index


The Ames trapezoid or Ames window is a style of window which, when observed frontally, appears to be a rectangular window but is, in fact, a trapezoid.

The window is mounted on a rod connected to an electric motor that rotates it about its vertical axis. When it is observed with one eye from about 3 meters or with both eyes at 6 meters, or more, the window appears to rotate through 180 degrees and then seems to stop momentarily and reverse its direction of rotation. It is therefore not perceived vertically to be rotating continuously in one direction but instead is mis-perceived to be oscillating, reversing its direction once every 180 degrees.

See alsoEdit

SourcesEdit

  • Behrens, R.R. (2009a). "Adelbert Ames II" entry in Camoupedia: A Compendium of Research on Art, Architecture and Camouflage. Dysart IA: Bobolink Books, pp. 25-26. ISBN 0971324468.
  • Behrens, R.R. (2009b). "Ames Demonstrations in Perception" in E. Bruce Goldstein, ed., Encyclopedia of Perception. Sage Publications, pp. 41-44. ISBN 9781412940818.

External linksEdit


This page uses Creative Commons Licensed content from Wikipedia (view authors).

Also on Fandom

Random Wiki