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Title:

Eating Disorders

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Title: Eating Disorders Author: John P. Forsyth Last modified by: Warren Wilson College Created Date: 5/28/1995 4:16:46 PM Document presentation format – PowerPoint PPT presentation

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Date added: 22 April 2019
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Title: Eating Disorders


1
Eating Disorders
2
An Overview of Eating Disorders
  • Two Main Types
  • Anorexia Nervosa
  • Bulimia Nervosa
  • Share Strong Drive to be Thin
  • Largely a Westernized, Female Problem
  • Largely an Upper SES Problem

3
Assessment of Eating Disorders
  • Interview
  • Observation
  • Reports from family/friends
  • Objective Psychological Tests
  • (e.g., Eating Disorder Inventory)

4
Bulimia Nervosa
  • Bingeing
  • Eat Large Amounts of Food
  • Eating is Out of Control
  • Compensatory Behaviors
  • Purging via
  • Self-Induced Vomiting, Enemas
  • Laxatives, Diuretics, Exercise, Fasting
  • Binge-Purge occur, on average, at least 2 X wk
    for 3 months
  • Self-evaluation is unduly influenced by body
    shape and weight

5
The Nature of Bulimia Nervosa
  • Medical Consequences
  • Salivary Gland Enlargement
  • Eroded Dental Enamel
  • Electrolyte Imbalance
  • Intestinal Problems
  • Calluses on Fingers and Hands

6
The Nature of Bulimia Nervosa
  • Facts and Statistics
  • 90-95 are Women
  • Onset 16-19 Years of Age
  • 6-8 of college women
  • About 2.8 Population Overall
  • Chronic if Left Untreated

7
The Nature of Anorexia Nervosa
  • Clinical Description
  • Intense fear of
  • Gaining weight
  • Becoming fat
  • Refusal to maintain body weight
  • 15 Below Expected Normal
  • Distorted body image
  • Amenorrhea (in females)

8
The Nature of Anorexia Nervosa
  • Two Subtypes
  • Restricting Type
  • Excessive Dieting
  • Binge-Eating / Purging Type
  • Rely on Purging
  • About Half of All Cases

9
The Nature of Anorexia Nervosa
  • Medical Consequences
  • Dry Skin, Brittle Hair or Nails
  • Sensitivity to Cold (Lanugo)
  • Risk of death (suicide, starvation, electrolyte
    imbalance, heart problems)

10
The Nature of Anorexia Nervosa
  • Associated Features and Facts
  • Begins in adolescence (onset often associated
    with a stressful life event)
  • Perfectionistic High-Achievers
  • All-or-None Thinking
  • Obsessive and Orderly
  • Comorbid DSM Disorders
  • Obsessive-Compulsive Disorder
  • Substance Abuse

11
The Nature of Eating Disorders
  • Causes
  • Social and Cultural Factors
  • - examples?
  • Media
  • Sets Impossible Idealized Images

12
The Nature of Eating Disorders
  • Causes
  • Biological Influences
  • Runs in Families
  • Unclear What is Inherited
  • The Serotonin-Hypothesis BN represents an
    underlying hyposerotonergic condition

13
The Nature of Eating Disorders
  • Causes
  • Dieting When food is restricted, we become
    preoccupied with it! (The PsychoBiological
    Impasse)
  • Family Influences (esp. in AN)
  • Successful and Driven
  • Concerned About Appearances
  • Eager to Maintain Harmony
  • Deny or Ignore Conflicts
  • Lack of Open Communication

14
The Treatment of Eating Disorders
  • Psychosocial Treatments for BN
  • Cognitive-behavioral treatments
  • Education about eating behavior
  • Scheduled eating
  • Exposure / Response prevention

15
The Treatment of Eating Disorders
  • Psychosocial Treatments
  • Anorexia Nervosa
  • First restore normal weight!
  • many will gain weight keeping the weight on
    is harder
  • residential treatment
  • control issues? IPT

16
The Treatment of Eating Disorders
  • Biological treatments
  • Bulimia Nervosa
  • Because serotonin is thought to play an
    important role in mediating satiety, SSRIs have
    been tried
  • e.g., fluoxetine (Prozac) has demonstrated
    effectiveness
  • Anorexia (not effective)
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