In this illusion,the subjects typically report that the horizontal line closer to the origin of the diagonals is longer than the one farther from the diagonals.What illusion is this?

Question

Quizplus · Accepted Answer

The Ponzo illusion occurs when our brains perceive the size of an object to be affected by its background context, making the horizontal line closer to the converging lines (or the origin of the diagonals) appear longer than the one farther away, even though they are the same length.

In This Illusion,the Subjects Typically Report That the Horizontal Line