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Perceptual constancy and Gestalt laws of perceptual organization

perceptual constancy, also called object constancy, or constancy phenomenon, the tendency of animals and humans to see familiar objects as having standard shape, size, colour, or location regardless of changes in the angle of perspective, distance, or lighting. The impression tends to conform to the object as it is or is assumed to be, rather than to the actual stimulus. Perceptual constancy is responsible for the ability to identify objects under various conditions, which seem to be “taken into account” during a process of mental reconstitution of the known image. For example, snow appears white in the low illumination of moonlight, as well as in sunlight 800,000 times as bright. Perceptual constancy is reduced by limited experience with the object and by decreasing the number of environmental cues that aid in identification of the object. Gestalt Principles are principles/laws of human perception that describe how humans group similar elements, recognize patterns and simplify complex images when we perceive objects. Designers use the principles to organize content on websites and other interfaces so it is aesthetically pleasing and easy to understand. There are six individual principles commonly associated with gestalt theory: similarity, continuation, closure, proximity, figure/ground, and symmetry & order (also called prägnanz). There are also some additional, newer principles sometimes associated with gestalt, such as common fate. #perceptualconstancy #shapeconstancy #sizeconstancy #colourconstancy #Gestaltprinciples #closure #proximity #similarity #Figureground #goodcontinuation