Just as a surfer must constantly adjust their balance to stay atop a moving, unpredictable wave, our brains are constantly balancing top-down predictions with bottom-up sensory data to keep us upright in a world of flux.

Life rarely offers a smooth, predictable path. Instead of fighting the waves of change, we can learn to "surf" the uncertainty that comes with big transitions.

In this model, even moving your arm is a prediction. Your brain predicts the sensory state of your arm being in a new position, and your muscles move to "fulfill" that prediction.

In his book Surfing Uncertainty: Prediction, Action, and the Embodied Mind , philosopher Andy Clark argues that the brain isn't a passive receiver of information. Instead, it’s a "prediction machine" constantly guessing what’s about to happen next.