brightnessconstancy

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=__Brightness constancy__ – The human visual network keeps brightness constant as an object changes environment= ===//A sheet of white paper seen in the bright sunlight reflects a very different amount of light than the same sheet of paper seen later that night in a softly lighted room. Yet we perceive the paper as having the same whiteness in each case. This is an example of// //brightness constancy, our ability to see objects as continuing to have the same brightness even though light may change their immediate sensory properties.//===

=__Space constancy__ – The ability to keep objects in the environment steady (necessary to survive)=

media type="custom" key="478615" ==__Depth perception__ – the visual ability to perceive the world in three dimensions. It is a trait common to many higher animals. Depth perception allows the beholder to accurately gauge the distance to an object==

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