124.3.Pathophysiology.stud

124.3.Pathophysiology.stud - Pathophysiology of Eating...

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Pathophysiology of Eating Disorders Kolodny: pp. 216-218 Outline 0. Effect of Genetics 1. Nature vs. Nurture 2. Effect of environment 3. Risk promoters 4. Risk protectors 5. Diagnostic Criteria Genes -> Cells -> Systems -> Behaviors 0. Genes 0. Code for mRNAs -> code for proteins w/i cells 1. Altered systems in the brain: 1. Altered brain activation as seen by MRI 2. Altered behavior: 2. Outward expression Nature vs. Nurture 3. EDOs run is families 4. Twin studies demonstrate significant genetic factors 5. Nurture: 3. Sociocultural factors: pursuit of unrealistic thinness ideal, promotion of body dissatisfaction that precedes DO 4. All people exposed but only some develop EDOs Gene-Environment interaction 6. Same people who give us our genes also create our environment 5. Ex: IQ = “double advantage” 6. Pass down genes & model disordered eating/attitudes = “double disadvantage” 7. Genes may drive us to seek out environments that emphasize appearance and thinness 7. Ballet or gymnastics: culture of thinness combined with genetic predisposition Gene X Environment 8. Genes influence vulnerability 9. Four types of factors: 8. Genetic risk factors 9. Genetic protective factors
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10. Environmental risk factors 11. Environmental protective factors Anna 12. Anna’s aunt has AN
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This note was uploaded on 09/08/2010 for the course NUFS 124 at San Jose State University .

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124.3.Pathophysiology.stud - Pathophysiology of Eating...

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