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No surprise: machines and humans have differing opinions about art. Researchers from the Max Planck Institute and the University of Girona had computers and non-art expert humans place each of 275 paintings into one of 11 artistic¹ periods, for example, Baroque or Surreal. And, unlike in chess, people far outshone their silicon² competitors. That’s according to a study in the journal Computers & Graphics³.

Computer algorithms judged the art by obvious and quantifiable parameters⁴, such as the way the paint was laid on the canvas, or the color composition. But humans classified art based on complex psychological evaluation⁵. We ask questions such as, who is in the image? And, what emotions are being portrayed⁶ in the scene? This kind of analysis is crucial for correctly identifying art—because even non-expert people were right two thirds of the time, far better than their computer competitors. And that makes sense: ultimately, art is about our emotional reaction to a Starry⁷ Night or a Girl With A Pearl Earring⁸. But to a computer it’s all just brushstrokes.