noun. The modified viewpoint of a sensorial stimulant, which is generally optical, which stems from extended exposure to another stimulant. Subsequent impacts are typically the inside-out or reversed [..]

(n) any result that follows its cause after an interval(n) a delayed effect of a drug or therapy

A perceptual phenomenon used by Gestalt psychologists to demonstrate that events in one part of the perceptual field may Affect Perception in another part.

A physical, physiologic, psychologic, or emotional effect that continues after removal of the stimulus. See: flashback. (05 Mar 2000)

Prolonged exposure to a stimulus attribute causes a short lived deficit in the ability to detect that attribute (as in the orientation-dependent aftereffect). In some cases, the opposite attribute is seen, as in the motion aftereffect where the observer sees upward motion after being habituated to downward motion (also known as the waterfall illusi [..]