102-1 - Language evolved because of leisure from the cooked...

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Lecture 1 Brain is 1200-1500cc When the body became mobile the brain was needed. The brain is a system that determines behavior or motor outputs Sensory input and motor output are independent Typical brain was lisensephalic Cerebral cortex grows as complexity accumulates Cortices are directly in control in directly sending and receiving information Association (uncommitted cortex white) : inflammation only from other cortexes Higher cognitive function Plan help hope maintain image As the mammalian brain develops more and more association or uncommitted grows Lords of the mannor = dinos Bigger cranial eyes start coming together Lost the use of canines because we can use arms to tear things apart and then we began to fring our own food (larger molars)
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Unformatted text preview: Language evolved because of leisure from the cooked food in the caves when fire was invented by the erectus Africa is the source of humanity Ramapithecus is one of the last ape like apes Australopithecus 4 million years ago 450-550 cc (crude chopper f) Homoerectus 600 thousand years ago 850-1000 cc FIRST TOURISTS explored Asia used hand axes choppers fire Homo Sapiens 200-400 thousand years ago 1200-1500 cc Homo Sapien Sapiens 40 thousand years ago lived with the Neanderthals 1200-2500 cc Readers higher frontal peak and falls further backwards Fire erectus in china (500 kya) Language leisure 100 kya Loral leaf 200 kya Lymphatic = primitive cortex...
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