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PSY 247, Sleep Disorders and Eating Disorders

by: Joy Mizrahi

PSY 247, Sleep Disorders and Eating Disorders PSY 247

Marketplace > University of North Carolina - Wilmington > Psychlogy > PSY 247 > PSY 247 Sleep Disorders and Eating Disorders
Joy Mizrahi

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About this Document

These notes cover eating disorders and sleep disorders for Chapter 8 in Abnormal Psychology.
abnormal psychology
Robert McNamara
Class Notes
psy, Abnormal psychology, Eating Disorders, Sleep Disorders, PSY 247, Cengage Brain, Psychology, Psychological Disorder
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This 5 page Class Notes was uploaded by Joy Mizrahi on Monday February 22, 2016. The Class Notes belongs to PSY 247 at University of North Carolina - Wilmington taught by Robert McNamara in Summer 2015. Since its upload, it has received 21 views. For similar materials see abnormal psychology in Psychlogy at University of North Carolina - Wilmington.


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Date Created: 02/22/16
PSY 247—Notes 2/18/16 Sleep Disorders Sleep Disorders -Two major types  Parasomnias  Dyssomnias The Importance of Sleep -Just a few hours’ sleep deprivation decreases immune functioning -Sleep deprivation affects all aspects of daily functioning -Lack of sleep can cause depression symptoms Parasomnias -Nature of Parasomnias  The problem is not with sleep itself  Problem is abnormal events during sleep Sleep terrors -Facts and associated features  More common in children than adults  Child cannot easily be awakened during the episode -Treatment  Antidepressants and benzodiazepines in severe cases Sleep Walking -Sleep walking disorder- somnambulism  Occurs during non-REM sleep  Usually during first few hours of deep sleep  Person must leave the bed  Usually resolves itself without treatment Nightmare Disorder -Repeated episodes of extended, extremely dysphoric dreams leading to distress Insomnia disorder -One of the most common sleep disorders -Problems initiating/maintaining sleep -35% of adults report daytime sleepiness -Only diagnosed as a sleep disorder if its not better explained by a different condition Hypersomnolence Disorder -Sleeping too much or excessive sleep -Experience excessive sleepiness as a problem -Sleep is non-restorative Narcolepsy -Principal symptom: Recurrent intense need for sleep, lapses into sleep or napping -Also accompanied by at least one  Cataplexy- Strong emotions (e.g. laughter lead to muscle weakness and collapse  Hypocretin deficiency  Go into REM very quickly (<15 minutes) Breathing related sleep disorders -Obstructive sleep apnea hypopnea -Central sleep apnea -Sleep-related hypoventilation Circadian Rhythm Sleep-Wake Disorder -Disturbed sleep leading to distress and/or functional impairment -Due to brain’s inability to synchronize day and night Medical Treatments -Insomnia  Benzodiazepines and over the counter -Hypersomnia and narcolepsy  Stimulants (i.e., Ritalin) -Breathing-related  Medication  CPAP  Weight loss -Circadian rhythm disorders  Phase delays -CBT-I -Relaxation and stress reduction -Sleep hygiene PSY 247—Notes 2/23/16 Eating Disorders Two Major types: Anorexia Nervosa and Bulimia Nervosa -Severe disruptions in eating behavior -Weight and shape have disproportionate influence on self-concept -Extreme fear and apprehension about gaining weight -Strong sociocultural origins -Emphasis on thinness Binge eating disorder -Involves disordered behavior but may involve fewer cognitive distortions about weight and shape -Obesity- considered a symptom, but not a disorder itself Bulimia Nervosa -Binge eating- hallmark of bulimia nervosa and binge eating disorder  Eating excess amounts of food in a discrete period of time  Eating is perceived as uncontrollable  May be associated with guilt shame or regret  May hide behavior from family members  Foods consumed are often high in sugar, fat or carbohydrates -Compensatory behaviors- designed to “make up for” binge eating  Most common: Purging -Most common: Self induced vomiting -May also include use of diuretics or laxatives  Excessive exercise  Fasting or food restriction -Associated medical features  Most are with in 10% of normal body weight  Purging methods can result in severe medical problems -Erosion of dental enamel, electrolyte imbalance -Kidney failure, cardiac arrhythmia, seizures, intestinal problems, permanent colon damage  Associated psychological features -Most are overly concerned with body shape -Fear of gaining weight -Most have comorbid psychological disorders Anorexia Nervosa -Extreme weight loss- hallmark of anorexia  Restriction of calorie intake below energy requirements  Defined as 15% below expected weight  May also involve binging and purging  Intense fear of weight gain and losing control over eating  People suffering from anorexia show a relentless pursuit of thinness  Often begins with dieting -Associated features  Most show marked disturbance in body image  Most have comorbid other psychological disorders  Anorexia is the most deadly mental disorder Binge Eating Disorder -New in DSM-5 -Binge eating without associated compensatory behaviors -Associated with distress and/or functional impairment -Associated features  Many persons with binge eating disorder are obese  Some, but not all, have concerns about shape and weight  Often older than anorexia and bulimia  More psychopathology vs. non-binging obese people Facts and Statistics -Bulimia  Majority are female- 90%  Onset typically in adolescence  Lifetime prevalence is about 1.1% for females and 0.1% for males  6-7% of college women suffer from bulimia at some point  Tends to be chronic if left untreated -Anorexia  Majority are female and white  From middle to upper-middle class families  Usually develops around early adolescence  More chronic and resistant than bulimia  Lifetime prevalence approximately 1%  Cross cultural factors -Develop in non-Western women after moving to Western countries -Rare in African American women Causes -Media and cultural considerations -Biological considerations  Partial genetic component  Deficits in serotonin may contribute to binging -Psychological and behavioral considerations Low sense of personal control and self-confidence Perfectionist attitude Treatments -Bulimia  CBT- treatment of choice  Antidepressants -Binge eating  CBT  Interpersonal  Self help -Anorexia  Weight restoration  Prognosis poorer than anorexia


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