PSYB65H3 Chapter 12: Humans, Human Brains and Evolution
Document Summary
Module 12. 1: evolution of humans y 1959 darwin: on the origin of species; fundamental paradigm shift y evolutionary psychology: apply principles of adaptation and selection to human behaviour. Charles darwin (beagle to galapagos) and alfred russel wallace (amazon river basin and indonesia) Former ideas: linnaeus: commanalities in structure among related species, charles lyell and william smith: earth is old and changing, some species extinct some changed in predictable manner with strata of earth, thomas malthus: food supply and competition. Sexual selection: darwin the descent of man; competition among individuals for reproduction determine genes fate. Intersexual selection: one sex chooses a mate from among members of other sex on basis of specific trait. Intrasexual selection: members of same sex compete for partners of the opposite sex y historical theory of evolution (original theory) vs modern synthetic theory of evolution (current version) Certain environments select certain phenotypes and phenotypes are an expression of the genotype interacting with the environment.
