A physical, physiologic, psychologic, or emotional effect that continues after removal of the stimulus. See flashback.
* * *
af·ter·ef·fect 'af-tə-ri-.fekt n
1) an effect that follows its cause after an interval <the \aftereffects of surgery>
2) a secondary result esp. in the action of a drug coming on after the subsidence of the first effect
Medical dictionary. 2011.