PSYC 367 Lecture Notes - Lamarckism, Olfactory Bulb, Darwinism

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4 Oct 2012
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Darwinian evolution: on the origin of species (1859: environmental influence: natural selection-survival of the fittest, common ancestor: more complex from simpler, only inherited traits are passed on. Macaque larger, more folded cortex. Human huge, extremely folded cortex: behaviors also evolve over time, modification: e. g. foraging rats rotate between multiple learned paths leading to different profitable caches. Chimpanzees go to different areas and trees for seasonally available foods. Chimpanzees" foraging behavior has much more neurons involved than rats. Q: what is the study about rats in maze talked in class: addition: e. g. verbal language. Bees communicate via dances and chemical signals. Canines communicate simple concepts via small number of vocalizations. Humans communicate abstract concepts via virtually endless array of vocalizations. There"s not more advanced or less advanced species, only more complex or less complex species: the brain, the neuron and action potential.

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