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PSYC 2510 (86)
Lecture

Motivation and Emotion

4 Pages
72 Views

Department
Psychology
Course Code
PSYC 2510
Professor
Agnieszka Kopinska

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MOTIVATION AND EMOTION MOTIVATION  Motivation – the drive or reason for goal-directed behaviour  Required for any change to occur  We all share the same biological motives but our social motives differ from person to person  motivational interviewing  therapeutic technique used to increase clients own motivation to change  motivation to change is crucial to benefit from treatment  pioneered in substance use treatment  useful with offending populations  Drive theories (Clark Hull)  Behaviour is motivated by a drive to return to homeostasis (stability)  A change in homeostasis is the drive behind behaviour  E.g. if you’re cold, you’ll try to warm yourself up to achieve homeostatic bodily temperature  Focus on internal states  Cannot explain all human motivation  Incentive theories  external reward increases motivation  e.g. money, food, prestige  minimized biological stuff  expectancy-value models  expectancy – likelihood that you will obtain the incentive  value – the desirability of the incentive  Evolutionary theories  we do things that increase the chance that our genes will be passed on  desirable behaviours are adaptive HUNGER AND EATING  biological factors  brain regulation (hypothalamus)  lateral hypothalamus – appetite (when stimulated, you feel hunger)  ventromedial nucleus – over eating (when stimulated, you feel full)  paraventricular nucleus  neural pathways and neurotransmitters (ghrelin)  glucose and digestive regulation – not having enough glucose will make you feel hungry  hormonal regulation (insulin, leptin)  environmental factors  food availability and related cues  habits  the stress-eating connection  physiological arousal linked to stress may trigger wanting to eat fattier foods  more resources to cope with increased workload  more likely has to do with how food is comforting  obesity and body weight  genes  genetic predisposition for obesity  usually coupled with unhealthy lifestyle  lifestyle  settling point – body weight will be maintained at a set point as long as factors influencing weight are stable  restricted eating  dieting  eating disorders  bulimia nervosa  anorexia nervosa SEXUAL MOTIVATIONN  regulated by hormones  estrogens  androgens  hormones contribute but don’t regulate all aspects of sexual behaviour  evolutionary basis of sex  gender differences  females are more invested in mate selection  only one egg a month, nine months of pregnancy  more invested in child’s life
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