Take a moment to look at the image on the opposite page. What do you see? Just a neural network? Perhaps you spotted the hidden figure. If so, you have just had a moment of insight. You may have felt a similar jolt when discovering the solution to a math problem, understanding a joke or metaphor, or realizing something unexpected about yourself. These aha! moments occur when your brain spontaneously reinterprets information to reach a novel, nonobvious conclusion.