Optical Illusions!

Let’s think!What are optical illusions?How do they work?Where have you seen optical illusions?

Optical illusions are…Images that trick the mind.What you see isn’t actually there!

3 types of optical illusions:Literal optical illusions

Physiological optical illusions

Cognitive optical illusions

Literal Optical IllusionsCreate images that are different than the

objects that make them

Literal Optical Illusions

Physiological Optical IllusionsOur eyes and brain makes us see these things

because there is an extreme amount of stimulation (color, brightness, tilt, size,

position, movement).

Physiological Optical Illusions

Cognitive Optical IllusionsUnconscious interpretation

Ponzo Illusion

Cognitive Optical Illusions

Let’s Think!How do these optical illusions make you feel

when you see them?

Why do you think optical illusions could be more interesting than “normal” art?

Any other thoughts?

Edgar Mueller

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Nagai Hideyuki

How are these artists’ work similar?How are they different?

Which do you like more and why?