Underlying the grand Dress Debate of 2015 is a fascinating example of how the brain interprets the world around usWould you like to maintain an argument with your colleagues this fine Friday? Just ask them what colour the dress above is. Some people say white and gold,whereas others claim it’s clearly blue and black. This rift in opinions has caused many people to doubt the sanity of themselves and their friends. Excitingly, it also offers some sort of insight into the noted old philosophical question: “is your red the same as my red?” But why are people so divided by this?
It appears to be because of different interpretations of how the scene is illuminated. The brain automatically processes” visual input before we consciously perceive it. Differences in this processing between people may underlie The grand Dress Debate.
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Source: theguardian.com