A Kalman Filter[1] keeps an internal model of the thing it is measuring to maximize the information it can extract from noisy sensory input. Our brain likely d

A Kalman Filter[1] keeps an internal model of the thing it is measuring to maximize the information it can extract from noisy sensory input. Our brain likely does something similar for the same reason. [1] http://en.wikipedia.org/wiki/Kalman_filter http://en.wikipedia.org/wiki/Kalman_filter