PSYC 102 Chapter Notes -Nicotine Patch, Emil Kraepelin, Biofeedback

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7 Apr 2014
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PSYC 102 Full Course Notes
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PSYC 102 Full Course Notes
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Motivation a need or desire that: a) energizes behavior and b) directs it towards a goal. Theories of motivation: instinct, drive-reduction, arousal, hierarchy of needs, instinct theory. Instincts - complex behaviours that have fixed patterns throughout different species and are not learned. Weaknesses: thousands of instincts needed to explain human behavior. A physiological need creates an aroused tension state (drive) motivates an organism to satisfy the need. Need( food, water) drive ( hunger, thirst) drive reduction behaviours ( eating, drinking) Homeostasis - the maintenance of a steady internal state (e. g. , temperature). Pulled by incentives (e. g. , aroma of baking bread) Too little = boredom, too much = stress: hierarchy of motives. Destroying lower mid-hypothalamus produces a large rat. Memory - amnesia patients eat frequently if given food. Taste -influenced both by body chemistry and environment/culture. Eating disorders - drive for thinness, idealizing thinness. Taste preference: biology or culture? hot climates spicier dishes. Mid hypothalamic centers in the brain monitoring appetite.

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