EATING BEHAVIOUR- success and failure of dieting Flashcards
what are diets like?
most are short term only
what are the 4 reasons as to why diets could work?
motivation,goals,lifestyle change, health
what are the 4 reasons as to why diets dont work?
cravings,conflict,lack of excercise/results= demotivation,can reduce food intake (longterm)
what actually is dieting?
placing a cognitive limit on food intake that is less that person would normally eat
what are most diets designed to do?
fail
what is the percentage of f that diet at some point at age of 40?
70%
what is the diet industry worth?
multi bill
what is it with females and the diet?
most females are dissatisfied with body shape
what did ogden suggest as to why f dissati? (4)
ethnicity
family
media
social class
what did ogden say with ethnicity for f dissat?
cross culture freq of eating problems is proportional to western world media exposure
what did ogden say with family for f dissat?
relationship btw mum and daughter w body diss (model) slt
what did ogden say with media for f dissat?
in the last 50 yrs images show thinner models
what did ogden say with social class for f dissat?
in past eating d associated with higher class.now even more spread across groups
what is not an ogden study suggest about f and body diss?
peers act as models (slt). dieting may become norm of friendship gp.
what is body weight influenced by?
genes
what does twin & adoption studies suggest?
heritability is responsible for 40-70% of weight
who used twin & adoption study for bodyweight?
stroebe
what idea does twin & adoption studies give?
nature v nurture
twin & adoption study in depth -bodyweight?
- expression of these genes= unclear. genes may influence appetite regulation metabolic rate or number of fat cells we have
- also link with external influences (ogden) obesity increased since exercise down. overweight more than just over eating
what did ashmore et al say about being overweight?
being overweight=more likely to get heart disease/type 2 diabetes etc plus prejudice within western society
what is theory used as to why we diet?
restraint theory
who thought of restrained theory?
herman & collegues
what did ogden say as to why we diet?
dont diet not cause worried for longterm but bc body diss
who suggested the 3 factors that promote overeating?
herman et al (2008)
what are the 3 factors that promote overeating?
distress,craving,preloading
how does distress promote overeating?
triggers overeating in restrained eaters not those with eating concerns
what did herman & polivy say with restrained eaters?
look at restrained and unrestrained eaters. when p led to believe= electric shock restrained ate more than less. more pronounced when distress is personal (so moods) rather than physical threat
synoptic of herman and polivy study?
low mood= cravings for food rich in trytophan-serotonin- makes us feel good- could link topic too
what is craving?
desire for certain food
how does craving promote overeating?
more likely in dieters and restrained eaters. reason unknown -do cravings induce restrained eating/is consequence of dieting?