منابع مشابه
Space constancy vs. shape constancy.
The perceived distance between objects has been found to decrease over time in memory, demonstrating a partial failure of space constancy. Such mislocalization has been attributed to a generalized compression effect in memory. We confirmed this drift with a pair of remembered dot positions but did not find a compression of perceived distance when the space between the dots was filled with a con...
متن کاملColor constancy
A quarter of a century ago, the first systematic behavioral experiments were performed to clarify the nature of color constancy-the effect whereby the perceived color of a surface remains constant despite changes in the spectrum of the illumination. At about the same time, new models of color constancy appeared, along with physiological data on cortical mechanisms and photographic colorimetric ...
متن کاملConstancy Analysis
A reference variable x is constant in a piece of code C if the execution of C does not modify the heap structure reachable from x. This information lets us infer purity of method arguments, an important ingredient during the analysis of programs dealing with dynamically allocated data structures. We define here an abstract domain expressing constancy as an abstract interpretation of concrete de...
متن کاملPerceptual Constancy
Our eyes deceive us when we look down railway tracks, but our brains do not. The rails appear to converge in the distance, but we know that the rails are parallel. We know that they are the same distance apart a mile down the track as they are where we are standing, so the brain says, “The tracks only appear to converge because they are distant.” But how does the brian know that the tracks are ...
متن کاملColour constancy
What is colour constancy? Colour constancy is the tendency of objects to appear the same colour even under changing illumination. A yellow banana appears yellow whether you see it in the tungsten light of the kitchen or in sunlight outdoors. Under these different conditions, the banana reflects very different light spectra to your eyes, but you see instead its unchanging material properties. Th...
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ژورنال
عنوان ژورنال: Nature
سال: 2014
ISSN: 0028-0836,1476-4687
DOI: 10.1038/514442a