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paracontrast

noun

Etymology

From para- + contrast.

  1. derived from contrā
  2. derived from contrastare
  3. borrowed from contraster
  4. formed as paracontrast — “para- + contrast”

Definitions

  1. A visual phenomenon where the perceived brightness of a stimulus is reduced when it is…

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

    • 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.

The neighborhood

Vish — recursive loop

No curated loop yet for paracontrast. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA