Does color perception depend on dopamine?

Emotions Can Influence How We See Colors

Literal associations between emotions and color abound. When we are depressed, for instance, we often talk about “feeling blue.” Emerging research suggests the associations we make between emotion and color may go beyond mere metaphor as the world really may appear a little grayer than usual when we are down. The results of two studies indicate that feeling sadness may actually change how we perceive color. Specifically, researchers found that participants who were induced to feel sad were less accurate in identifying colors on the blue-yellow axis than those who were led to feel amused or emotionally neutral. ….[READ]

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