T4: Lecture 6 Flashcards
True of False: Anorexia Nervosa has the highest mortality rate of any mental disorder
TRUE
10-15% mortality rate
What is objective binge-eating?
Large amount of food, more than usual
What is subjective binge-eating?
Perceiving they ate a large amount of food, but very minimal
What is the KEY diagnostic feature for AN?
Restriction of energy intake relative to requirements, leading to significantly low body weight. Severity based on BMI
What are other diagnostic features for AN?
- Intense fear of gaining weight/becoming fat, despite being underweight
- Disturbance in way one’s body weight/shape is experienced
What are the two types of AN?
- Restricting Type = no binding or purging
2. Binge-Eating/Purging Type = with regular binging or purging
What is the KEY diagnostic feature for BN?
Recurrent binge eating with sense of lack of control
What are other diagnostic features for BN?
- Recurrent inappropriate compensatory behaviour in order to prevent weight gain
- Binging/compensatory occur at least ONCE A WEEK for THREE MONTHS
- Severity depends on number of binges and compensatory behaviours per week
True or false, individuals with BN are severely underweight?
FALSE
Individuals normally within normal weight or overweight due to binging
What is the KEY diagnostic feature for Binge Eating Disorder?
Recurrent binges
TWO WEEKS and least SIX MONTHS
What is the diagnostic criteria for Binge Eating Disorder?
Three +
- eating more rapidly than usual
- eating until uncomfortably full
- binging when not hungry
- eating alone due to embarrassment
- feeling disgusted, depressed, guilty after overeating
Does Binge Eating Disorder involve compensatory behaviours?
No, BED doesn’t involve regular use of inappropriate compensatory behaviours
What is the epidemiology for Eating Disorders?
- Women have higher rates
- Stats tend to be underestimates as most people don’t fit into any categories
- Maori are 2x as likely to be diagnosed with an ED (primarily BN)
What are the biological influences for AN/BN?
Genetic influences
-High concordance rates for both AN and BN
Neurotransmitters
- Serotonin
- Norepinephrine
Hormones
- AN: deficiency in hypothalamus functioning
- > survivable weight is disrupted which allows the body to function at a lower level of food/weight
What are the societal pressures for women?
- Western standards of attractiveness always progress towards a thinner ideal
- Models vs normal woman= taller, thinner, unhealthy BMI
- Media pressures