key questions

Question 1

what is the key question

Answer 1

role of media in the development of anorexia nervosa

Question 2

what is body dysmorphia

Answer 2

preoccupied with an imagined physical defect or a minor defect that occurs that others often cannot see

Question 3

what does anorexia nervosa mean

Answer 3

nervous loss of appetite

Question 4

what are the symptoms of anorexia

Answer 4

• refusal to eat and maintain a minimum average expected body weight
• fear of gaining weight or becoming fat
• distorted perception of body weight and shape
• amenorrhea - absence of at least 3 consecutive menstrual cycles
• weight less than 85% of expected
• mood disturbance
• denial

Question 5

featured of anorexia nervosa

Answer 5

• 90% of cases are in females between 13-18 rarely begins before puberty
• most likely in mid teen years
• approx 1 in 150 15 year old females and 1 in 1000 15 year old males
• 1% of 16-18 year olds have anorexia
• 40% of people with anorexia recover completely
• 30% suffer long term
• with treatment 2-3% of people with anorexia die

Question 6

explain anorexia with classical conditioning

Answer 6

• easting can be associated with anxiety since it can make people overweight
• losing weight ensures that the individual reduces these feelings of anxiety

Question 7

explain anorexia with operant conditioning

Answer 7

• the individuals avoid food to gain a reward such as feeling positive about themselves
• in early stages - individuals can be admired or congratulated for losing weight and looking slim and healthy
• gain reward or satisfaction as a consequence of their actions
• they associate their action with happiness and failure with unhappiness

Question 8

behaviour explanations and studies

Answer 8

women feel under pressure on their appearance
reported that 27% of girls felt that media pressure them to strive to have a perfect body
- increase in eating disorders in Fiji with the intro of american TV programmes

Question 9

explain anorexia using biological approach

Answer 9

• assumes our behaviour is controlled by the activity in the CNS, specifically the brain
• the brain is organised into regions which all have different roles, so when a region malfunctions it may cause the individual to behave differently
• malfunctioning of the hypothalamus has been linked to anorexia as this part of the brain is important in regulating eating. animal experiments involving lesions in particular parts of the hypothalamus have led to animals either over eating or starving

Question 10

what is noradrenaline

Answer 10

leads to eating

Question 11

what does serotonin do

Answer 11

suppresses appetite

Question 12

what does lateral hypothalamus do

Answer 12

produces hunger

Question 13

what does ventromedial hypothalamus do

Answer 13

depresses hunger

Question 14

what can a malfunction in the production of hormones cause

Answer 14

the cause of loss of appetite in some and over eating in others. for anorexics it is as if their VMH is jammed in the ON position