The term brightness, when used in psychology, refers to the apparent intensity of a visual stimulus. It is not the same thing as the intensity of light, since ambient lighting conditions, contrast and various psychological factors can all affect...

Brightness is an attribute of visual perception in which a source appears to emit a given amount of light. In other words, brightness is the perception elicited by the luminance of a visual target. This is a subjective attribute/property of an object...