This print advertisement formed part of Sony's successful Bravia campaign in the UK and Argentina. This is the best of the four print ads in the series.
Go ahead and stare at it. It will vibrate till you are crazy. Some viewers have said it looks like the snake's eyes in The Jungle Book movie.
The type of optical illusion used in the ad is called physiological illusion.
These are caused by the effects on the eyes and brain from excessive stimulation of a specific type - brightness, tilt, color, movement. Here brightness and color combine to make the effect.
It is believed the stimuli have in the early stages of visual processing, individual dedicated neural paths. When only one or a few channels have continual stimulation, a physiological imbalance develops that alters perception.
Source: Wikipedia Optical Illusion
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