Electronic signs create an illusion of movement by illuminating small adjacent lights in rapid succession. This is an example of:
A) induced movement
B) phi movement
C) compensatory movement
D) movement after-effects

Question

Quizplus · Accepted Answer

Phi movement is the illusion of movement caused by the rapid succession of stationary stimuli. This is exactly the effect created by electronic signs, where adjacent lights are illuminated in sequence to create the illusion of movement. Induced movement refers to the perception of movement of one object caused by the movement of another, compensatory movement refers to involuntary movements made to counteract the effect of external forces, and movement after-effects refer to the perception of movement in the opposite direction after viewing a moving stimulus for an extended period of time.

Electronic Signs Create an Illusion of Movement by Illuminating Small