| INTRODUCTION Scientists know that Homo sapiens slowly emerged on this planet over a period spanning millions of years.As with every other life form with whom we share the Earth, human beings responded (and still respond) tothe natural forces that have shaped who we are. This process resulted in many changes qn our anatomy andphysiology. This was especially true for our central nervous system, as we adapted in uniquttways to thedemands of our physical environment. It is safe to say that at some point in thc remote past our evolvingnervous system produced a brain of considerable complexity. Not just any brain, but a thinking brain that wassupremely capable of permitting a wide range of new behaviors. When this occurred, early humans were nolonger at the mercy of genetically predetermined instincts. Instead, we acquired the ability to learn, think inde-pendently, and act in accordance with our own will. In the process, we also acquired the ability to commu-nicate and share our thoughts and feelings with one another. The evidence from the fossil record strongly indicates that our ancient predecessors won survival, northrough aggression as many have assmned, but through cooperation. By cooperating, early humans createdpowerful societies for hunting,defense and protection of the young, thus beating the odds to win their survival.Through ritual burials and cave paintings, our ancient ancestors sought to symbolically represent their feelingsand beliefs. They became the first animals on planet Earth with an apparent need to define their place in the cosmos. They asked questions such as, "Who am 1? How did I get here?" "What was it that made me what 1 |
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