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Exam 3 Notes (scored 92%)

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PSYC 3082
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Chapter 8 EatingSleep Disorders General DefinitionsBingeCharacterized by both o Eating in a discrete period of time eg within a 2 hr period an amount of food that is definitely larger than most people would eat during similar circumstances o Sense of lack of control over eating during the episodeCompensatory behavioro Inappropriate attempts to compensate for eatingpreventing weight gain eg vomiting laxatives diuretics enemas fasting excessive exercise o Purging selfinduced vomiting or use of laxatives or diureticsTrying to expel those calories out of the body Eating Disorders Overview Two major types of DSMIVTR eating disorders o Anorexia nervosa and bulimia nervosaBoth have o Severe disruptions in eating behavior o Extreme fear and apprehension about gaining weight o Strong sociocultural origins Westernized views White middle classOther subtypes of DSMIVTR eating disorders o Binge eating disorder ObesityA growing epidemic o Not a disorder but still a problem Bulimia Nervosa DiagnosisMust have these 3 symptoms o Recurrent binges hallmark feature o Recurrent compensatory behavioro Both occur on average at least 2x per week for at least 3 months Selfevaluation based excessively on weightbody shapeDoesnt occur exclusively during episodes of AN anorexia1Typeso Purging subtypemost common subtypeo Nonpurging subtypeabout 13 of those with BNVideo NOVA Dying to be ThinPurging 20x a day Began in high school for herAll of her friends modelsactressesTry to hide the disorder dont see this with anorexiaBulimia Nervosa Associated Medical FeaturesMost are within 10 of normal body weight o Behaviors not successful in weight lossSalivary gland enlargement caused by repeated vomiting o Causes chubby faceErosion of dental enamelElectrolyte imbalanceo Can lead to potentially fatal cardiac arrhythmiarenal failureSeizures intestinal problems permanent colon damage calluses on fingershandsBulimia Nervosa Associated Psychological FeaturesMost are overly concerned with body shape o Lots of low selfesteem Fear of gaining weight o Causes anxiety Most have comorbid psychological disordersBulimia FactsStatsMajority are female90 or moreOnset around 16 to 19 years of ageLifetime prevalence is about 11 for females and 01 for males o Hardly any males67 of college women suffer from bulimia Tends to be chronic if left untreated 2 Anorexia Nervosa DiagnosisRefusal to maintain ageheight appropriate body weighto 15 below expected normal weight Intense fear of weight gainbecoming fatHas to have at least one of these o Disturbance in perception of body size o Undue influence of weightshape on selfevaluation o Denial of seriousness of current low body weightAmenorrhea in postmenarchal women o Lack of period for women who have already begun menstruation Typeso Restricting no BP o BingeEatingPurgingVideo NOVA Dying to be Thin Bone density extremely low for those with anorexia She had an immense fear of gaining weighto Thought she was the worst person for gaining weighteatingStarted when she was 12Cut herself for a long timeAnorexia Nervosa Associated Medical FeaturesAmenorrhea lack of menstruation o Infertility o Bone less Lanugo o Downy hair on limbscheeksSensitivity to ColdCardiovascular ProblemsElectrolyte Imbalance if vomitingDry SkinBrittle Hair or NailsDeath Anorexia Nervosa Associated Psychological FeaturesMost show marked disturbance in body image3
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