The Dragons of Eden: Speculations on the Evolution of Human Intelligence
Dr. Carl Sagan Takes Us on a Great Reading Adventure, Offering his Vivid and Startling Insight Into the Brain of Man and Beast, the Origin of Human Intelligence, the Function of our Most Haunting Legends -- and Their Amazing Links to Recent Discoveries. Book jacket.
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ability able activity Aeschylus American ancestors animals appear begin behavior bits body brain brain mass called cerebral certainly chimpanzees clear communication comparable complex components connection contained cortex course cultural described dream early Earth electrical emerge emotional evidence evolution evolved example existence experiments extremely fact function future genetic hand Homo human human brain hundred idea important intelligence interesting invention kind language learning least left hemisphere lesions less limbic system lives lobes major mammals means memory midbrain million monkeys nature neocortex objects organisms origin particularly patient pattern performed perhaps Period Pleistocene possible present primates probably processing programs question R-complex reason recent relatively remarkable reptiles require result right hemisphere seems sense significant sleep smell societies species suggest tion University verbal visual volume writing