Homo sapiens modern

Homo erectus Many remains of this type have been found around the world. Pithecanthropus (Java man) and Sinanthropus (Peking man) both fall into this category. Homo erectus specimens are smaller than the average human today, with an appropriately smaller head and cranial cavity where the brain fits. However, the brain size is within the range of modern humans. Studies of the middie ear have shown that Homo erectus was just iike us. Remains have been found in the same strata and in close proximity to ordinary Homo sapiens (modern man), suggesting that they lived together. Studies have shown that brain size fluctuations within Homo sapiens seem to have no correlation to intellectuality, so Homo erectus would not have been the dumb, brute caveman that has been implied in the past. 

A further characteristic feature of the evolutionary psychology argument is to point to the relatively short period, in geological and evolutionary terms, over which Homo sapiens - and, in particular, modern society - has appeared. Forms of behaviour or social organisation which evolved adaptively over many generations in human hunter-gatherer society may or may not be adaptive in modern industrial society, but have, it is claimed, become to a degree fixed by humanity s evolutionary experience in the palaeolithic EEA. Hence, they are now relatively unmodifiable, even if dysfunctional. 

At the start of my quest therefore, before I had worked out some of the cognitive and neurological mechanisms for the Habit Routine Model, I necessarily found myself toying with the concept of instinct. Believing that the influence of psychedelic drugs on proto-humans might have been a necessary catalyst for the rapid (4) transformation to culturally modern Homo sapiens, there seemed two possibilities to explore. Either the psychedelics might have... 

A mutation in one Homo sapiens individual giving rise to a new innovative variety of modern human (argues Kate Wong in Scientific American, June 2005)... 

At forty thousand years, the Asian Homo Sapien (Sapien) or Modern Man emerged in Asia as in Africa. In contrast to his African counterpart, Asian Modem Man was light skinned, non-hairy and had a variable build. 

Modem humans (Homo sapiens) emerged by at least c. 250,000 years ago, and possibly 400,000 years ago, in east-central Africa. Their ancestors. Homo erectus, had already expanded beyond their centre of origin to reach Europe and Asia and had begun the process of domesticating carbon by harnessing fire. Subsequently modern humans arose in Africa and proved to be particularly successful. Not only did they colonize all continents except Antarctica but they have also exerted immense influence over almost all... 

Species Scientific classification of plants and animals uses a hierarchy of groups including class, family, and a number of others. Species is a very specific group of organisms that can mate and produce sexually viable offspring. Modern humans belong to the genus Homo and the species sapiens. 

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