The artist created an optical illusion that makes the painting seem to move when you change your viewing angle.

Many optical illusions can still fool even the most careful observers.

During the demonstration, the students were surprised by the clarity of the Zöllner illusion.

The researcher demonstrated the Thatcher illusion to show how face orientation affects perception.

Researchers warned that introspection illusions can distort how people report their motives during interviews.

When we view the pattern closely, the Ehrenstein illusion makes the square's sides appear to bow outward even though they are perfectly straight.

Psychology professors often include Ehrenstein illusions in lectures to illustrate how the brain fills in missing edges.

During the lecture, the professor showed several Zöllner illusions to illustrate how context affects perception.

Researchers observed unexpected hand movements during the Pinocchio illusions, challenging their assumptions about body ownership.

In her visual perception class, the professor demonstrated Ebbinghaus illusions to show how surrounding context alters perceived size.