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Chapter 13

Psychology 2042A/B Chapter Notes - Chapter 13: Binge Eating Disorder, Childhood Obesity, Eating Disorder

6 pages111 viewsWinter 2013

Department
Psychology
Course Code
Psychology 2042A/B
Professor
James M Olson
Chapter
13

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Chapter 13: Eating Disorders and Related Conditions
How Eating Patterns Develop
- Normal development
o 1 in 4 kids picky eaters (mostly girls)
o Age 9: girls want to lose weight
o Weight concerns come from comments, media, etc.
o Parent-child relationship*** 1st important
o Entering school** 2nd important
- Developmental risk factors
o Drive for thinness for image, dieting
Girls think this will bring them success
o Early eating habits, attitudes, behaviours
People think cultural standards are tied to ability control how much you weigh
These are internalized and come at early age (7-10)
CASE STUDY: 25% girls have eating problems at each assessment over 8 years
RESULT: early puberty, more fat, psychological problem, worse body
Weight concern and body image related to eating problems in adolescence
o Transition into adolescence
Anorexia and bulimia most often starts in adolescence (rare after)
Girls who mature early = fatter
Girls see themselves worse than boys
Girls who see themselves as “superwomen” (like the girls in media) at high risk
for getting eating disorders
o Dieting and weight concerns
Dieting is very popular in North America
Chronic diet 10 times a year
Starts in elementary, continues throughout adolescence
Mid-adolescence 2/3 girls diet (10% are chronic dieters)
Only 2% chronic in boys
Purging vomiting, using laxatives to get rid of food in body
Binge-purge cycle diet, crave, binge eat, purge, disgust, repeat
Dieting is good or bad
False hope syndrome
- Biological regulators
o Metabolic rate genetic and habit based
o Individual metabolism self-monitored
o Malnutrition more GH, shitty circadian rhythm, lethargy, apathy
o Body weight people have a natural weight range that their body tries to maintain
o Growth highly dependent on growth hormone (during deep sleep), thyroid hormone,
gonadal steroids (adolescence)
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- Growth hormone
o Released by pituitary gland
o GH inhibiting factor stops GH response, says you’re full
o GH releasing factor tells body when and where to grow
Obesity
- Age 2-19: 1 in 6 are obese
- Childhood obesity excessively fat kids
o Calculated by BMI (above 95%)
Kid’s weight/ 2(height in inches) * 703 = BMI
- Prevalence and development
o 1980-2000 obesity times 3 in boys, times 2 in girls
o 1990-2010 childhood obesity from 4.2% - 6.7%
o Childhood obesity likely continues to older age
o Cholesterol & triglycerides
o Hispanics fatter
o Non-Hispanic black girls fatter
o USA is fattest country
- Causes
o Fat parents 3 times more expected to have fat kids
o A large portion is heritable (hormone called LEPTIN)
Leptin deficiency known to make kids fatter
o Family and individual choices
- Treatment
o Restricting diet ISN’T recommended
o Be more active fatty
o Requires both self and family efforts
o Educate yourself! (school stuff)
Feeding and Eating Disorders (THREE categories)
1. Feeding disorder of infancy or early childhood
o Before age 6
o Sudden loss of weight gain
o Prevalence and development
1 in 3 kids (boys and girls)
Early onset = malnutrition
No typical outcome
o Causes and treatment
Family problems, poverty, social isolation, mentally ill parents
Maternal eating disorder
Affects child eating habits a lot
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