This revised model of the nervous system allows one's behavior to depend on several things according to what happens within each of the input/ouput boxes of the NS. As we have observed, there are serveral factors that influence the behavior of an individual (which contributes to the general behavior of a community). Since each box has a different function, the brain (NS) is able to receive an enourmous amount of information about external and internal situations, any or all of which may affect the output.
Good point, for brains/people/and communities. Lots of influences (and hence, lots of wisdom in the result?). PG