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The Rubin vase illusion, where it is ambiguous which part is the figure and which the ground Shapes which can be read as a word once the viewer recognises them as being the isolated negative spaces of a word. Figure–ground organization is a type of perceptual grouping that is a vital necessity for recognizing objects through vision.
Alternately, the idea of "figure" can also refer to content of a particular medium, while "ground" refers to the medium itself. McLuhan's aphorism "The medium is the message" can thus be read as an attempt to draw attention away from a preoccupation with the figure/message to a consideration of the importance of the ground/medium.
Figure-ground organization structures the perceptual field into a figure (standing out at the front of the perceptual field) and a background (receding behind the figure). [39] Pioneering work on figure-ground organization was carried out by the Danish psychologist Edgar Rubin. The Gestalt psychologists demonstrated that people tend to perceive ...
Figure and ground (media), a concept developed by media theorist Marshall McLuhan; Figure–ground (perception), referring to humans' ability to separate foreground from background in visual images. Figure-ground perception is one of the main issues in gestalt psychology. Figure-ground in map design, the ability to easily discriminate the main ...
Gestalt organization can be used to explain many illusions including the rabbit–duck illusion where the image as a whole switches back and forth from being a duck then being a rabbit and why in the figure–ground illusion the figure and ground are reversible. [citation needed] Kanizsa's triangle
The principles of grouping (or Gestalt laws of grouping) are a set of principles in psychology, first proposed by Gestalt psychologists to account for the observation that humans naturally perceive objects as organized patterns and objects, a principle known as Prägnanz.
The figure-ground theory of urban design and urban morphology is based upon the use of figure ground studies. It relates the amount of "figure" to the amount of "ground" in a figure-ground diagram, and approaches urban design as a manipulation of that relationship, as well as being a manipulation of the geometric shapes within the diagram.
The Rubin vase (sometimes known as Rubin's vase, the Rubin face or the figure–ground vase) is a famous example of ambiguous or bi-stable (i.e., reversing) two-dimensional forms developed around 1915 by the Danish psychologist Edgar Rubin.