noun
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.
運動残効は、滝を見た後に静止した岩が上昇して見える現象として知られている。
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.