Humans See Different Colors in Different Seasons: University of York

by Bidita Debnath on  August 6, 2015 at 6:02 PM Research News
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Scientist are now shedding light on human's ability to process colors, revealing that humans see things differently in winter compared with summer. Researchers from the University of York have examined how human's color perception changes between seasons and in particular how they process the color known as unique yellow.
 Humans See Different Colors in Different Seasons: University of York
Humans See Different Colors in Different Seasons: University of York

Scientists claim that humans identify four unique hues blue, green, yellow and red that do not appear to contain mixtures of other colors. Unique yellow is particularly interesting to scientists as it is stable across large populations everyone agrees what unique yellow looks like despite the fact that people's eyes are often very different.

Author Lauren Welbourne said that what they are finding is that between seasons Human's vision adapts to changes in environment, so in summer when there is a much larger amount of foliage, their visual system has to account for the fact that on average they are exposed to far more green.

The researchers tested 67 men and women in January and June. Participants were placed in a darkened room, allowed to adjust to the light and then on a machine called a colorimeter asked to adjust a dial backwards and forwards until they felt that they have reached the point where it had reached unique yellow with no hint of a green or red.

Welbourne said that although no disorder can fixed by this, the more they learn about how vision and color in particular is processed, the better they can understand exactly how humans see the world. He added that this process is very useful because one can adapt to these huge seasonal changes in environmental color and continue to see and discriminate between colors accurately. The research is published in the Journal Current Biology.

Source: ANI

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