Modern anorexia may stem from an adaptation that helped ancient nomadic people find food, according to a recently proposed theory but, when starved, individuals with a genetic tendency toward anorexia feel sated, full of energy and unfazed by starvation--a set of symptoms described in. Study flashcards on biological explanations of anorexia nervosa at cramcom quickly memorize the terms, phrases and much more personality traits such as obsessionally, perfectionism and anxiety which are all related to anorexia evaluation of neural transmitters. It is debated that anorexia has a scientific origin the biological explanation is included below anorexia nervosa (an) may be evolutionary as it has been proposed that it may be a result of genetics family resemblance studies indicate that a person is 4-10 times more likely to develop anorexia if. 1 evolutionary explanations relate to the adaptive nature of anorexia nervosa - (how they've helped the species survive) there are 2 anorexia nervosa is a 'disordered variant' of the adaptive ability - when may feel unable to cope with biological, emotional and social responsibility of womanhood.
Evolutionary explanations the reproductive suppression hypothesis surbey (1987) adolescent girls desire to control their weight due to an evolutionary adaption in which ancestral girls delayed the onset of sexual maturation in response to a chance of poor reproductive success. Evolutionary explanation evaluation no direct evidence refusal of food = death one person with anorexia may be beneficial for everyone else biological explanations of anorexia nervosa issues and debates psychology as a science - unfalsifiable reductionist - simplify complex human. Biological explanations for anorexia nervosa anorexia nervosa is an eating disorder and a mental health condition anorexia nervosa explanations discuss one or more biological explanations of eating disorders example essay recommended citation.
Home a level and ib psychology biological explanations of anorexia (an) the lack of periods can also lean women to become infertile, which contradicts the evolutionary explanation the evolutionary theory is also seen to be reductionist, as it blames emotions and family conflicts. These are the sources and citations used to research biological explanation for anorexia nervosa a longitudinal investigation of mortality in anorexia nervosa and bulimia nervosa. Biological causes of anorexia at hand there are evidence that displays that some people may be hereditarily more likely to develop eating disorders furthermore people with anorexia have an overwhelming fear of phobia, there are two types of anorexia, the restricting type and purging type. The evolutionary explanation focuses on the adapted to flee hypothesis guisinger (03) suggested that anorexia served an adaptive purpose in the it is not just the genetic explanation of anorexia that takes a narrow explanatory focus all three biological explanations focus solely on one casual.
There are three biological explanations of an evolutionary, genetic and neurobiological the evolutionary explanation focuses on the adapted to flee hypothesis guisinger (03) suggested that anorexia served an adaptive purpose in the environment of evolutionary adaption. Biological approach • another type of biological explanation is that anorexia may run in families, so genetics could play a part • research in twins has shown that mz have a higher concordance rate than dz twins for anorexia holland et al (1984) found a 56% concordance rate in mz twins. 1 neural explanation and evolutionary explanations for anorexia nervosa 2 biological explanations • neurotransmitters - serotonin and dopamine • neurodevelopment pregnancy and birth complications season of birth• evolutionary explanations - the reproductive suppression hypothesis.
Powerpoint slideshow about 'biological explanations of anorexia nervosa' - lesa anorexia is the 'disordered variant' of the adaptive ability of females to alter the timings of reproduction when they are unable to cope with the responsibilities of womanhood. 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. Biological explanations for anorexia nervosa focus on physiological factors such as genes, brain structure or faulty neurotransmitters. Biological causes of anorexia nervosa and bulimia nervosa anorexia nervosa and bulimia nervosa affect millions of people each year in the united states (1) popular thought holds that these disorders are caused by women trying to fulfill a culturally imposed ideal body image which stresses thinness.
Discuss biological explanations of schizophrenia ao1- (4 marks) biological explanations of schizophrenia argue that the causes of schizophrenia the psychological explanation of anorexia is explained through cultural ideas in the media which portrays thin models on tv and magazines. Report abuse transcript of biological neural explanations of anorexia nervosa there are a number of evaluative points regarding the topic that can be discussed: generally, serotonin helps regulate mood, sleep, appetite, learning and memory in the central nervous system (cns. Start studying biological explanations of anorexia learn vocabulary, terms and more with flashcards, games and other study tools one issue with the biological explanation is that it does not explain the difference in the number of men and women being diagnosed with anorexia.
In 3 cases where the second twin did not develop anorexia, they did develop other psychiatric disorders and two suffered from minor eating disorders over-simplistic and reductionist (using a simpler biological explanation to explain a complex behaviour) the fact that it is difficult to separate. Biological explanation for anorexia the first case of what is now called anorexia was recorded as early as 1694, when it was called 'anorexy', which means 'for want of an appetite' there is evidence to support that anorexia as an eating disorder to do with our genes. 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 bailer et al compared serotonin activity in women recovering from restricting anorexia with those recovering.