Blue moods may be connected to our perception of the colour

Dopamine, which stimulates the pleasure centre in the brain, is also involved in transmitting visual information“Feeling blue” might be more than just a metaphor. Indeed, how we feel about the world can play a huge role in how we see it, according to a study in the journal Psychological Science. Feeling sad can keep us from seeing in certain colours, as though we live in Dorothy’s Kansas. But a good mood can bring those colours back into the world, just like a tornado trip to O