PSYA02H3 Lecture 12: Lecture 12

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5 Feb 2011
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PSYA02H3 Full Course Notes
PSYA02H3 Full Course Notes
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Motivation gives us the energy to do something. 3 characteristics: initiate our action, determine what we pursuit, how much we persist in our pursuit. Realization of basic need that are essential to survival, like hunger, thirst, external temperature. When deprived of a particular need, we are driven to get it. Regulatory system known as homeostasis is the simple way of motivation. Trigger a mechanism to go back to set point (negative feedback) Nutrient detector that detects when body is deprived of nutrient. There was no golden age of food, we ate unhealthy food in the past as well www. notesolution. com. More kids develop type ii diabetes, which is not genetic. Temptation, food is attractive, tastes good, and makes people feel satisfied. Low income people have higher rate of obesity. Difficulty in providing food for the large population. After political reform, problem of food availability is solve. Ate less food due to lack of availability, but showed healthy diet.