Another term for brightness constancy is

A) perceptual adaptation.
B) lightness constancy.
C) size constancy.
D) shape constancy.

Brightness constancy refers to our ability to perceive objects as having a consistent level of brightness even when the amount of light they reflect or emit changes. Another term for this is lightness constancy. Perceptual adaptation refers to our ability to adjust to changes in sensory input over time, while size and shape constancy refer to our ability to perceive objects as having a consistent size and shape even as our distance and angle of perception changes.