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Ssociólogos | Blog de Actualidad y de Sociología de Santiago Pardilla Fernández. FOCUS POCUS. Your brain sees colors even when they're not there. When we see a banana, we see it as yellow. That's no big surprise, right? Well, here's one for you. We see a banana as yellow, even when it isn't. In a recent study, German neuroscientists showed subjects black-and-white pictures of bananas—along with similar images of broccoli, strawberries, and other items that have familiar colors—and then used scans to observe how the subjects' brains responded. Then they showed pictures of abstract rings in the same colors as the bananas and other items, for comparison.
As it turned out, the black-and-white pictures of the bananas elicited the same patterns of neural activity which occurred when the subjects were viewing the yellow-colored ring. "This result shows that higher-level prior knowledge—in this case of object-colors—is projected onto the earliest stages of visual processing," researcher Andreas Bartels explained. The Science of Color We don't all see colors exactly the same.