PSYC 1002 Chapter Notes - Chapter 10: Thalamus, Limbic System, Autonomic Nervous System
7 Jan 2017
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Drive theory - push: homeostasis: state of physiological stability, drive: motivation to act to reduce drive tension (e. x. hunger) Incentive: motivation by external goal (e. x. ice cream, a: expectancy value models: Evolutionary theories: motivation is the result of evolution/natural selection. Insulin is a hormone that deals with feelings of hunger. Leptin regulates hunger and bodily functions(high levels= full feeling) Set point theory: fat cell levels are at a set point. Settling point theory: weight determined by eating and activity levels. Hunger controlled through the hypothalamus (lateral and ventrimedial) Arculate nucleaus - sensitive to hunger signals. Glucose: simple sugar that"s a source of energy (decrease=hunger, increase=full) Orgasm: muscle contractions in pelvic area- peak. Refractory period: men are unresponsive to stimulation after orgasm. Porn opens the mind - makes males more aggressive. Affiliation motivation: need to be with others. Achievement motive: need to master challenges and outperform.
