PSY 005 Lecture Notes - Lecture 25: Subitizing, Social Grooming, Middle Age
18 Aug 2020
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Document Summary
Geology study of surface of earth. Cambrian explosion (524 million years ago) first major step in evolution, animals first appearance, starting point of real life". There were three different eras since the cambrian explosion. Animals developed and new life forms grow (reptiles, land, plants, fish, amphibian) Homo sapiens oldest fossil back 200. 000 years, started spreading over global from africa. Began to spread to europa & asia 50. 000 years ago. Neolithic revolution 10. 000 bce, transition from nomadic hunter to farming and settlement. Preliterate civilization civilization before writing was invented. Lindenberg there are 3 features of preliterate civilization: knowledge is limited to know how" without theoretical understanding. Skill based, know how to do things but don"t know how they work: fluidity of knowledge. Knowledge limited 2 generations, because there is no way to transmit it: existence of collection of myths about universe, life, natural phenomena.
