Lilenfield 469-476 - Lilenfield p469-476 A. Motivation...

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Lilenfield p469-476 A. Motivation (469) : psychological drives that propel us in a specific direction B. Drive reduction theory (469): theory proposing that certain drives, like hunger, thirst, and sexual frustration motivates us to act in ways that minimize aversive states a. Formulated by Clark Hull and Donald ebb b. All drives are unpleasant, but satisfaction of them is pleasurable c. Some drive are more powerful: thirst is more potent than hunger d. Homeostasis (470): equilibrium. Ex. Thermostat “tells” cooling/heating system to restore equilibrium C. Yerkes-Dodson law (470): inverted U-shaped relation between arousal on the one hand, and affect and performance on the other. We all have an optimal point of arousal (middle of the curve). Below that point, we’re bored and don’t perform well. Above that point, we’re stressed out and don’t perform well. Arousal level shifts depending on time of day, what we’ve eaten, complexity of the task a. Underaroused: experience “stimulus hunger”: drive for stimulation. Satisfy by fidgeting, listening to music, socializing, etc. i. Daniel Berlyne noted underarousal could heighten our sense of curiosity, motivating us to explore stimuli ii. Experiment: sensory deprivation D. Conflicting drives a. Approach (470): predisposition toward certain stimuli. Ex. Food, objects of our
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This note was uploaded on 01/23/2011 for the course PSYCH 111 taught by Professor Schreier during the Fall '08 term at University of Michigan.

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Lilenfield 469-476 - Lilenfield p469-476 A. Motivation...

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