motivationlectureoutline.ppt

motivationlectureoutline.ppt - Motivation Motivation: vigor...

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Unformatted text preview: Motivation Motivation: vigor and persistence of goal directed behavior, helps move us towards our goals Evolutionary Theory: motivation plays a significant role in adaption; social need to affiliate, share resources, prove protection, procreation (sex-babies) Biological Needs/Motivations Homeostasis: tendency for body (person) to want to maintain a state of constancy (sweating to cool you down) Hunger/Food: Energy is necessary for maintenance and growth. Search for a balanced diet Hypothalamus: primary structure of the brain which signals hunger and satiation (fullness) Lateral (near side): turns hunger on Stimulation yields increased eating. A lesion or damage can cause starvation lean Ventromedial (lower, middle) : is the hunger off. Stimulation stops eating. Lesion or damage can cause voracious eating voluptuous Various Factors which Impact Eating Behaviors Biological Factors Genetic influence metabolism Bodily Sensations: growl, distension Chemical Signals to body Genetic Mapping of obesity genes Social Factors Environmental influences on eating behavior Complex and multiply determined East more in groups Expectation and Memory of Meals Palatability (eating b/c it tastes so good) Social interactions People eat more when in groups Psychological Factors Thinking about food and what it means Learned food habits/preferences Memories associated with food Belief and feelings regarding body image Cultural variations: robust = higher class Food as a substitute for love, sex Obesity: body weight greater than 20% (some say 30%) of expected body weight based on height...
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motivationlectureoutline.ppt - Motivation Motivation: vigor...

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