CEFR C1

apparent motion

noun phrase

Meaning

The illusion of movement that occurs when a series of still images are presented in rapid succession, or when stationary objects are viewed in a particular way.

Examples

  • The flashing lights on a movie marquee create an effect of apparent motion, making it seem like the arrows are moving.
  • Early cinema relied heavily on the principle of apparent motion to create the illusion of continuous action from individual frames.

Synonyms: illusory motion, stroboscopic effect