• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Discuss two or more psychological explanations of one eating disorder.

Extracts from this document...

Introduction

Discuss two or more psychological explanations of one eating disorder Socio-cultural explanations � Media influence - Images of the idealized women have become taller and slimmer over the last 50 years. - Several reasons suggest the media is an important factor in the development of eating disorders - Girls internalize what is seen in their culture as beautiful - This can create tension between the real self and the ideal self - This leads to dissatisfaction with body shape and weight, dieting and an obsession with food - In some vulnerable girls, this can develop into an eating disorder - This process may be helped by imitation and direct reinforcement through family praise for losing weight. -Groesz, Levne and Murnen found that dissatisfaction significantly increased after exposure to thin women. � Ethnicity influences -Grabe and Hyde found significantly less body dissatisfaction in African-Americans than White females. -In the Caribbean, there are more positive attitudes towards large body sizes - attractiveness and fertility. � Peer influences -Peer acceptance is important during adolescence, as it is a time of uncertainty. -Jones and Crawford found that overweight girls and underweight boys were most likely to be teased. ...read more.

Middle

-They find it difficult to associate good feeling with things that people find pleasurable, e.g. food. Commentary � Part of the hypothalamus that controls feeding behaviour. Serotonin has been implicated in AN trait. � SRRIs are ineffective when used with AN patient; however Kaye found that they prevented a relapse. � Wang et al found there were normal levels of dopamine receptors in obese individuals. � Treatment implications force patient to reduce any guilt caused by the view that it's the parents fault. � Gender bias, not necessarily a female only problem. Genetic explanation Compare rates of AN in MZ twins with rates in DZ twins. Holland et al and Kendler et al found that concordance rates for MZ twins were significantly higher. Bulik concluded from these studies that the genetic contribution to both AN and BN is 50-80% Holland et al � To investigate the genetic contribution to AN using MZ and DZ twins, one has been diagnosed with AN. � 30 female twin pairs (16 MZ and 14 DZ), four male twin pairs and one set of male triplets. � 55% concordance rate for MZ, 7% for DZ. � Five of the non-anorexic female co twins had either other psychiatric illnesses or minor eating disorders. ...read more.

Conclusion

-Therefore, it would have been adaptive for humans to have evolved with an innate preference for sweetness Preference for meat -Without meat, its claimed humans wouldn't have gained enough nutrition to become active and intelligent -A diet containing meat is a far more efficient means of obtaining protein. -Large occasional kills would mean that humans spend less time feeding themselves and the group Taste aversion -If we eat food that makes us sick, it would be an evolutionary advantage to avoid that food in the future. -Garcia, Rusiniak and Brett made wolves sick with contaminated lamb's meat, they would later leave sheep. -Suggests that they had learned to associate the poison with the sheep. -Contributes to keeping the animal alive as it will affect the animal's behaviour in the future. Commentary -Evolutionary explanations can account for innate food preferences, increased level of world obesity. -Capaldi found that all ages and other species prefer sweet food tastes than any other taste. -Bell found that it's not culturally learnt, as Eskimos preferred sweet foods. -Gibson and Wardle found that children were likely to choose bananas and potatoes, rich in calories. -This suggests an evolved preference for calorie rich foods. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Physiological Psychology section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Physiological Psychology essays

  1. Anxiety Disorders

    Obsessive Compulsive Disorder Characteristics Obsessive-compulsive disorder (OCD) is an anxiety disorder characterized by uncontrollable, unwanted thoughts and repetitive, ritualized behaviors you feel compelled to perform. If you have OCD, you probably recognize that your obsessive thoughts and compulsive behaviors are irrational - but even so, you feel unable to resist them and break free.

  2. Outline and evaluate one or more psychological approaches to one eating disorder.

    This gives it high levels of reliability but low levels of ecological validity. Dieting in the real world may involve more complicated issues than those studied in the laboratory. Research into obesity has also shown that weight gain is often caused by excessive emotional eating.

  1. Critically Discuss the Causes of one Psychological Disorder Depression is one of the most ...

    Many brain chemicals and hormones have been linked to the development of depression, meaning a person is depressed because of a biochemical imbalance, usually involved with the functioning of neurotransmitters that help different parts of the brain communicate with each other.

  2. Depression - Gender Differences.

    The lack of identity beyond that of being wife or mother combines with projection of protective agency onto the men in their families, leaving them with excess vulnerability that manifests in fears of burglary and/or assault. For two women in the study, fear of crime centered on fear of male sexual violence linked to violent, alcoholic fathers (Jefferson, 1996).

  1. Explanations of anorexia nervosa

    Research in this area has revealed characteristics common to anorexics prior to the onset of the illness.

  2. Psychological influences in childbearing and midwifery practice - A Rite of Passage: Transition from ...

    It would be difficult for midwives to broach the subject of mental illness and identify women at risk; without offering some form of information related to mental health issues. Women who have a family history or have had major depression in the past have a higher risk of becoming depressed

  1. Stress in the Workplace : Why Is it Important to Deal with It?

    ANXIETY OF SUFFICIENT STRENGTH TO WARRANT A MEDICAL DIAGNOSIS AFFECTS 1 IN 10 ADULTS, THAT IS NEARLY 1.3 MILLION PEOPLE - FEMALES ARE AFFECTED TWICE AS MUCH AS MALES. . MORE THAN 2.7 MILLION WORK DAYS ARE LOST ANNUALLY WHEN PEOPLE CANNOT PERFORM THEIR USUAL ACTIVITIES BECAUSE OF DISABLING ANXIETY

  2. A2 Psychology Unit 3 Eating Behaviour: Psychological Explanations Of One Eating Disorder - Anorexia ...

    May be exaggerated, or developed through media images of thinness. Research Polivy and Herman (2002) say body dissatisfaction is a `necessary` factor in the development of anorexia but does not wholly explain it. Unhappiness with one's body is possible without dieting.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work