PERCEPTUAL constancy refers to relative stability in judgments of an object property with changes in its sensory stimulus. For example, visual judgments of the size and shape of objects are relatively ...

Colour perception, an essential aspect of human vision, enables us to interpret and interact with our environment reliably despite fluctuating illumination. At the core of this capability is colour ...

Even when we consciously know two lines are the same length, why can't we help seeing them as different? ILLUSIONS are anomalies that can reveal clues about the mysterious workings of the brain to ...