When investigating the origin of religion and other superstitions, an important fact to bear in mind is that it is not just humans that base their behavior on imputing meaning to meaningless correlations. There is evidence that even animals do this, suggesting that this instinct comes from a fairly primitive part of the brain, and developed early in our evolutionary history before we branched off from those species that share this trait. We all have heard of Pavlov’s experiments with conditioning responses in animals. Behaviorist B. F. Skinner did an interesting experiment with pigeons. After the usual ones where pigeons were trained to peck at a button in order to obtain a food reward, he then did an experiment where the rewards were given out randomly. What he found was that after awhile the pigeons started going through what seemed like rituals, specific repeated behaviors. It seemed as if they were trying to figure out which pattern of actions had caused the rewards to appear in the past and were repeating them in order to ’cause’ the rewards to appear.
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