The perception of movement caused by the turning on and off of a series of lights in a sequence is termed
A) motion parallax.
B) the phi phenomenon.
C) saccadic movement.
D) the Doppler effect
E) movement constancy.

Question

Quizplus · Accepted Answer

The phi phenomenon is the optical illusion of perceiving continuous motion between separate objects viewed rapidly in succession, such as a series of stationary lights blinking on and off in a sequence. This creates the illusion of movement, which is not due to the physical movement of the objects themselves but rather the perception of motion.

The Perception of Movement Caused by the Turning on and Off