motion aftereffect
A visual illusion where, after viewing a moving stimulus, a stationary object appears to move in the opposite direction. Used in psychology and neuroscience.
The motion aftereffect is known as the phenomenon where stationary rocks appear to rise after viewing a waterfall.
残効 is a broader term for any aftereffect, while 運動残効 specifically refers to the motion aftereffect in visual perception.
Compound of 運動 (undō, 'motion') and 残効 (zankō, 'aftereffect'). The reading ざんこう is a standard rendaku form.