Brain Waves - Maxi Poster - 61cm x 91.5cm

This poster shows a pattern of purple dots against a green background. The arrangement of these makes the poster appear to move. This poster measures approx. 24 x 36 An optical illusion is characterized by visually perceived images that, in common sense terms, are deceptive, misleading or somehow trick the eye. Physiological illusions, such as the afterimages following bright lights or adapting stimuli of excessively longer alternating patterns, are presumed to be the effects on the eyes or brain of excessive stimulation of a specific type - brightness, tilt, color, movement, and so on.