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paracontrast

n. a form of forward masking in which the perception of a visible stimulus (the target) is altered by the prior presentation of another visual stimulus (the mask) in a different spatial location. The target is often a small dot, whereas the mask is a ring that surrounds it. Each stimulus is presented very briefly (10–100 ms), at intervals that are varied systematically, and the quality of the target’s percept is measured. Compare metacontrast.

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Psychology term of the day

May 9th 2024

dual memory theory

dual memory theory

see dual-store model of memory.