You are in Times Square on New Year's Eve and are watching all of the giant screens. You detect apparent movement on these digital billboards, although what you actually perceive are light pixels flashing on and off or changes in color. This is known as ______.

Question

Quizplus · Accepted Answer

The phi phenomenon refers to the illusion of apparent movement that occurs when two or more adjacent lights blink on and off in succession. This is the phenomenon that is being described in the scenario of watching the digital billboards in Times Square on New Year's Eve. The other answer choices (A, B, and D) do not accurately describe the phenomenon being observed.

You Are in Times Square on New Year's Eve and Are