What&#x27;s even more interesting is that there is some experimental evidence to suggest that the human brain uses Kalman filters for certain things. I <i>think</i> this was one of the papers about it: <a href="http:&#x2F;&#x2F;papers.nips.cc&#x2F;paper&#x2F;3665-a-neural-implementation-of-the-kalman-filter.pdf" rel="nofollow">http:&#x2F;&#x2F;papers.nips.cc&#x2F;paper&#x2F;3665-a-neural-implementation-of-...</a>