Mona Lisa (La Gioconda), the most famous painting in the history of art, is known for its enigmatic expression. She appears radiant one moment and then serious and sardonic the next. This is one of the qualities that have contributed to the painting’s continuing fascination.
Scientist claim to have come up with an answer to her changing moods – our eyes are sending mixed signals to the brain. It changes depending on which part of the eye sees it first.
They believe our perception of the painting depends on what cells in the retina pick up the image and what channel the image is transmitted through in the brain.
Sometimes one channel wins over the other, and you see the smile, sometimes others take over and you do not see the smile. These channels encode data about an object’s size, clarity, brightness and location in the visual field.
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