PSYC 3466 Study Guide - Phineas Gage, Scary Movie 2, Kung Fu Hustle

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Types of decision theories: descriptive, prescriptive, normative. Expected value theory: choose the maximum expected value, ev = sum (probabilities x outcomes) Example: gamble 1: (0. 20, ; 0. 80, sh, gamble 2: (0. 25, ; 0. 75, sh, ev(g1) = 0. 20 x + 0. 80 x sh = , ev(g2) = 0. 25 x + 0. 75 x sh = . 50. Subjective values: psychologically, value is defined by more than just the dollar amount. Expected utility theory: adaptation of expected value theory, utility = subjective value, maximize expected utility, utility: Clip - phineas gage"s impairments in emotion and decision making 12. Phineas gage - 1848: iron rod through skull, personality change: extravagant, antisocial, inability to plan or to hold a job, compulsiveness, inability to inhibit, extravagant, antisocial, inability to plan or hold a job. Gage"s brain: bilateral damage to frontal lobes, elliot: a modern phineas gage , iq, motor, and language intact (damasio & damasio, 1994)

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