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    Claude Monet's Impression Sunrise

In the 1860s Monet, Renoir and others painted in a new style, now called Impressionism. The name came from a painting by Monet of a harbor at dawn which he titled “Impression: sunrise.” The painting is a striking example of the new style. What effect did Monet achieve in this painting and how did he achieve it?

"Impression Sunrise," Claude Monet, 1873

The sun is set against the dawn, the orange color against the grey, the vibrant force of the sun against its motionless surroundings. To many viewers, the sun undulates or pulsates slightly. Why is this so? The sun is nearly the same luminance as the grayish clouds. Notice how the sun nearly disappears if you remove the color. (Click painting to reset.) This lack of contrast may explain the eerie quality.

The sun is perceived differently is different parts of our mind. To the more primitive subdivisions of our brain, the sun is nearly invisible. But to the primate subdivision, the sun appears normal. Thus, there is an inconsistency between our perception of the sun in the primitive and primate portions of our brain. The sun is poorly defined and ambiguous to the portion of our brain that carries information about position and movement.

Brain subdivision   Subdivision purpose   The sun is...
primitive movement & position nearly invisible
primate color an orange disc

If Monet had painted the sun brighter than the clouds (as indeed it is), the painting might be less interesting. If you artificially make the sun brighter or darker (as indeed it is in reality), the primitive brain sees it better... but does that make the painting better or worse?

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