Discuss biological explanations of anorexia nervosa essay sample there are three biological explanations of an evolutionary, genetic and neurobiological the evolutionary explanation focuses on the adapted to flee hypothesis. The effect of psychological factors on anorexia nervosa essay - the effect of psychological factors on anorexia nervosa in the research to explain whether anorexia nervosa is caused by psychological factors several explanations were given. The biological explanation for anorexia nervosa can be explained by using the biomedical model which suggests that psychological problems have physical causes there are 3 ways in which the biomedical model suggests how psychological disorders can be caused either by genetics, neurochemistry (abnormal brain chemistry) or the brain (abormal. Thus psychological explanations have emphasised the risk factors of media, culture, personality and childhood experiences in the cause of anorexia nervosa the dsm (iv) states four criteria for an the first is the anxiety associated with the disorder and the excessive fear of being fat.
Anorexia nervosa is an eating disorder that causes a person to obsess about their weight and the food they eat (mfmer 2008, para 1) anyone can have the disease, but women are particularly susceptible. Another biological explanation is brain structural abnormality, so explain how hypothalamus dysfunction may explain anorexia nervosa then evaluate that the limitation is the same as the biochemical explanation, as we cannot establish if biochemicals are a cause, effect, or correlate. Biological explanations of anorexia nervosa neural explanation changes in the nervous system are implicated in the development of an disturbances in levels of the neurotransmitter serotonin and dopamine have been linked with the disorder serotonin - bailer. Discuss one or more biological explanations of eating disorders example essay 1 discuss one or more biological explanations of eating disorders (8 marks + 16 marks)the biological approach would suggest that anorexia nervosa (an) has a physical cause, anirregularity arising from the body or the brain, such as hypothalamus dysfunction or an imbalanceof neurotransmittersthe hypothalamus.
For example, bailer et al compared serotonin activity in women recovering from restrictive type and binge eating/purging type anorexia with healthy controls it was found that high levels of serotonin activity was in the binge eating/purging type. Biological explanations for anorexia nervosa include neural explanations and evolutionary explanations 1st biological explanation - neurotransmitters -serotonin disturbances in the levels of the neurotransmitter serotonin appear to be a characteristic of individuals with eating disorders. Biological explanations for anorexia nervosa biological explanations for anorexia nervosa include neural explanations and evolutionary explanations 1st biological explanation - neurotransmitters -serotonin disturbances in the levels of the neurotransmitter serotonin appear to be a characteristic of individuals with eating disorders. Biological explanations for anorexia nervosa neural explanations neurotransmitters serotonin disruption of serotonin levels lead to increased anxiety. Biological explanations of schizophrenia 1940 words | 8 pages evaluate biological explanations of schizophrenia (24 marks) schizophrenia is a psychotic disorder characterized by distorted thinking, impaired emotional responses, poor interpersonal skills and a distortion of reality.
Psychological explanations of anorexia a2 eating disorders anorexia nervosa discuss one or more biological explanations of eating disorders example essay. The biological explanation for anorexia nervosa focuses on the role of neurotransmitters it suggests disturbances in the levels of serotonin and dopamines are characteristic of anorexia. Psya3 discuss biological explanations of anorexia (8 & 16 marks) revision video june 2016 exams and each slide represents a new paragraph of a model essay explanation : anorexia nervosa.
Recent research suggests that inherited biological and genetic factors contribute approximately 56% of the risk for developing an eating disorder individuals who have a mother or a sister with anorexia nervosa are approximately twelve times more likely to develop anorexia and four times more likely to develop bulimia than other individuals. Evolutionary explanations for anorexia nervosa: the reproductive suppression hypothesis: from surbery (1987) who suggests that adolescent girls' who desire to control their weight, represents an evolutionary adapatation from when ancestral girls delayed the onset of sexual maturation. Researchers have discovered biological evidence of a genetic underpinning to anorexia nervosa: genetic linkage on chromosome 1 for the complex psychiatric disorder this is the first genetic linkage finding we have in anorexia, so we're quite excited, notes the study's first author, dorothy grice. Here's an essay plan on the subject of biological explanations for anorexia nervosa use it if you want, i chose these studies/explanations as they had the most to write on when writing essays in psych remember about breadth and dept, 200 words approx for ao1 and 400 approx for ao2/3.
An attempt at explaining anorexia nervosa (an) has been explained by guisinger's (2003) adapted to flee famine hypothesis (affh) affh fits under the evolutionary approach, but is also a biological explanation. Discuss issues of reliability and validity associated with the classification and diagnosis of phobic disorders (24 marks) the biological explanation for the acquisition of phobic disorders establishes that phobias are caused by genetics, innate influences and the principles of biochemistry. Analyzing psychological disorders schizophrenia, anorexia nervosa and anxiety biopsychologist will implement the biological approach to psychology in the attempt to study psychological diseases and disorders as well as in the diagnosis and treatment of individual's suffering from such diseases and disorders. Summary: discuss psychological explanations for anorexia nervosa essay plan this is an essay plan for the essay title 'discuss psychological explanations for anorexia nervosa', designed in a way that should make the material easy to remember.
Psychological and biological explanations of anorexia nervosa outline and evaluate one psychological explanation and one biological explanation of one eating disorder (8 marks + 16 marks) anorexia is an eating disorder of abnormal weight loss dropping below 85% of what was previously considered normal. Biological explanations of anorexia before they are exposed to media, will prevent the effects of media such as anorexia (yamamiya et al 2005)this means that media is a cause of anorexia, but it can be prevented. - biological explanation for anorexia nervosa evidence for a faulty gene aims: to see if concordance rates for anorexia are higher in mz twins compared to dz twins this would provide evidence for a faulty gene causing the disorder because if one mz twin develops anorexia, there should be 100% concordance (agreement) with the second mz twin. Psychological explanations for anorexia nervosa anorexia nervosa has been explained by the effects of social cultural factors, which include cultural ideals and the media different cultures have different ideals of attractiveness which can lead to different social pressures.