Step 1: Concept Identification: The query pertains to the illusion of apparent motion, wherein a series of stationary visual stimuli create the perception of movement.
Step 2: Detailed Analysis:
(A) Autokinetic Effect: This phenomenon describes the illusory movement of a single, stationary light point in a dark environment. It does not involve sequential stimuli.
(B) Phi Phenomenon: This describes the illusion of motion generated by the rapid, sequential flashing of adjacent lights. The observer perceives a single light moving between the locations. This principle underpins motion pictures and animated displays and accurately matches the question's description.
(C) Muller-Lyer Illusion: This is a well-known optical illusion related to length perception, where lines with inward or outward pointing arrowheads are perceived as having different lengths.
(D) Perceptual Set: This refers to a predisposition to interpret stimuli in a particular manner, influenced by expectations and prior experiences. It represents a top-down processing influence rather than a direct visual illusion of motion.
Step 3: Conclusion: The perception of motion from a sequence of flashing lights is identified as the Phi Phenomenon.