The Human Brain Through the use of molecular biology it is thought that the hominidae family first appeared about 5 million years ago. Based on this time frame it is believed that an African Hominoid lineage was present shortly before that time, approximately 10 myp, which contained the common ancestor to both the chimpanzee and human. The split into proto-chimpanzee and proto-human occurred during the last million years of the Miocene epoch. (Changeux and Chavaillon pg. 61). The …showed first 75 words of 922 total…

…showed last 75 words of 922 total…Symposia of the Fyssen Foundation Works Cited A Symposium of the Fyssen Foundation. Origins of the Human Brain. Edited by Jean-Pierre Changeux and Jean Chavaillon. Clarendon Press, Oxford 1996 Jerison, H. J. Evolution of the Brain and Intelligence. Academic Press, London 1973. Works Cited A Symposium of the Fyssen Foundation. Origins of the Human Brain. Edited by Jean-Pierre Changeux and Jean Chavaillon. Clarendon Press, Oxford 1996 Jerison, H. J. Evolution of the Brain and Intelligence. Academic Press, London 1973.