Week 10 Flashcards
Criteria for anorexia
Fear aversion of gaining weight, and esp. Resistance to colrie intake and resistance to gaining weight.
Weight body image imp. To individual.
Eating disorders
Bmi outside green zone, non normal, range of no medical complications.
Bulimia is diagnosed on
Set of behaviours on binge eating and a compensatory behaviour,
No compensatory behaviour means it is a binge eating disorder.
Markers for severity is
Bmi, annorexial is below 17.5
Bulimia only about behaviour.
Eating disorder life choice or medical disorder ?
Website for motivation, exists. Proana
Mortality and anorexia,
On par with bpd and scz. Lethal and imp. But no longer most fatal.
5-10X higher than someone without anorexia is risk.
Bulimia it’s about 2x
Early treatment means better outcome, more males recruited means lower rate of mortality, suggests bigger issues for females.
Epidemiology of an
Below 1%
About 1% for b
And binge is about 3
Begin around adolescence.
Peak around 20-30
Example of learned behaviour
Biological processes are hthere but, look at culture and ano changes but not for scz.
Ano ruined to cultural society. More in western abundant food places.
Restricting does not in fact make you lose weight. Instead fasting then put it on sax fat.
Prevalence has decreased orv the years of ano.
For most cultures average healthy weight was ideal.
Look within peer groups, they are strikingly high. R = 25% explanation of weight loss behaviour. Being in the right crowd.
Cognitive model of eating disorder.
Know the two diagrams.
Reviwed them.
Gist, emo dis regulation, leads to the behaviour.
Emo and binging or restricting,
Emo. Drives positive emotions Bout eating, usually carbs. Negative affect, compensatory behaviours (dieting pills etc, what every individuals believes will help) or restricting.
Perfectionism association diagram,
Review it!
Proabably website. Abc diet.
Remember the decision and discipline needed to count calories constantly incredible.
Works through over eval on body shape and weight and setting very specific goals. Feeling better means meeting those goals.
Ein forcing aspect to meeting that goal. Often develops orv time.
Losing weight –> positive reinforcement. Or opposite.
Leads to anxiety. Of gaining,
All leads to negative reinforcement,
Environment
Genetic effect heritability of eating disorder. Huge range from zero.
Environmental component is huge BIOLOGICAL CONSEQUENCES OF EATING DIORDERS OFTEN RESULTS FROM PSYCHOGENIC CPROCESS.
Eg. Lower serotonin increased craving,
Harder to feel full leading to binge eating. Scree metabolism.
Binge eating does work IN THE MOMENT, increase negative affect in long run and sys regulation of emotions in long run.
Treatment for bulimia
Ssri might work for them
Cbt really works.
***For ano family systems therapy , cbt dialectical therapy. ** work well.
Not true that psychotherapy does not work, 50% do.
Cbt vs psycho work well for ano.
Cbt may be better.
Obesity
Graph for bmi. 50% above 25 75
Average is a bit overweight, talking about range where nonmedcal complicTions! Also many disorders are comorbid with obesity and may be caused by worsening systems, obesity associated with onset,
Obesity as a disorder
Substance abuse and obesity association, drug as food. Time with food. Rela. To it.
Brain areas associated.
Ventral, dorsal, striatis. Neuro chemical reward.
Hypo, orbital frontal, amygdala, goal seeking and info about food. Rewarding effects.
Similar pathways to substance a use.
Rats eg. Tolerence tests.
Food vs drug addiction study. Nucleus accumbans.
Most went to sugar side! Neglected cocaine completely.
Sugar more addictive than cocaine.
