Health Psych_3.4

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Health Psych_3.4
2013-04-04 13:50:21
Health Psych

Health Psych_3.4
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  1. Main structure of brain associated with eating behavior
    • Lateral Hypothalamus
    • Ventromedial Hypothalamus
  2. Lateral Hypothalamus
    • stimulation leads to hunger
    • lesioning leads to self starvation
  3. Ventromedial Hypothalamus
    • lesioning leads to hunger
    • stimulation causes animal to stop eating
  4. How is weight currently measured
    Body Mass Index: dividing body weight by the square of a person's height
  5. How does setpoint model explain obesity
    weight is regulated around a 'setpoint' (internal thermostat)
  6. How does positive incentive model explain obesity
    • positive reinforcement of eating has important consequences for weight maintenance
    • people have several types of motivation to eat, including personal pleasure and social context
  7. Biological factors on people diagnosed with anorexia, bulimia, and/or binge eating disorders
    • Hypothalamic pituitary adrenal Axis (HPA): HPA abnormalities that may promote depression are linked with both anorexia and bulimia
    • Abnormal endorphin levels: opiate antagonists used to reduce binge-purge episodes
  8. Psychological factors that influence families with anorexics
    • high achieving
    • competitive
    • overprotective
    • intense interactions
    • poor conflict resolution
  9. Psychological factors that influence families of bulimia
    • above average incidence of alcoholism, substance abuse, obesity, and depression
    • less accepted by their parents who are seen as critical and neglectful
    • childhood experience with sexual/physical abuse and post-traumatic stres
  10. Social factors on people diagnosed with anorexia, bulimia, and/or binge eating disorders
    dieting/disorder eating viewed as responses to social roles/cultural ideals
  11. Anorexia health consequences
    • slowed thyroid function
    • heart arrhythmias
    • low blood pressure
    • dry/yellowed skin
    • anemia
    • fragile bones
  12. Bulimia health consequences
    • hypoglycemia
    • poor nutrition
    • periodontal issues
    • damage to mouth
    • anemia
    • electrolyte imbalance