Meaning of paracontrast | Babel Free

Definitions

A visual phenomenon where the perceived brightness of a stimulus is reduced when it is preceded by an adjacent visual stimulus.

uncountable

Examples

“An apparatus for the demonstration of the phenomena of the time relations of visual stimuli, and of meta- and paracontrast.”

“Masking between non-overlapping stimuli is termed paracontrast when the mask precedes the target, and metacontrast then the mask follows the target (equivalent to forward and backward masking between overlapping stimuli).”

“A particular type of forward masking, in which the target and mask are spatially nonoverlapping, as in metacontrast, is called paracontrast masking.”

CEFR level