perceptual

(psychology) the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation n

the perceptual effect of the juxtaposition of very different colors n

n the opposition or dissimilarity of things that are compared n the act of distinguishing by comparing differences n a conceptual separation or distinction n the perceptual effect of the juxtaposition of very different colors n the range of optical density and tone on a photographic negative or print (or the extent to which adjacent areas on a television screen differ in brightness) v put in opposition to show or emphasize differences v to show differences when compared

one of the inherent cognitive or perceptual powers of the mind

a perceptual structure n