D/E explanations of Anorexia Nervosa (24 marks) Anorexia Nervosa (AN) is a type of eating disorder characterised by extreme loss of weight and anxiety associated with food and weight gain. The 4 major symptoms of AN are body weight 85% or less of normal weight for age and height‚ distorted perception of body image (thinness is vital to self-esteem)‚ intense fear of being overweight or putting on weight and amenorrhoea (the loss of 3 consecutive periods). There is the biological and psychological
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Describe two explanations of schizophrenia and evaluate these explanations (9 and 16 marks) Two explanations of schizophrenia are the biological perspective and the psychological perspective. The biological perspective involves genetic factors that influence schizophrenia‚ however the psychological perspective involves environmental factors in which you learn the behaviour of a schizophrenic. The first explanation is the biological perspective‚ it has two subtypes‚ these are biochemical and
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Introduction. 2.0. Problem solving Situation. 3.0. Concept identified. 4.0. Explanation of the concepts. 5.0. Applications. 6.0. Personal reflections. 7.0. Pressure. 8.0. Key concepts 9.0. Explanations 10.0. Application 11.0. Personal reflections. 1.0. Introduction. Concepts are essential aspects in the life of human beings. They are used to deal with different situations that human beings face. One of the most beneficial uses of concept is solving problems that
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Technology Explanation There are many different kinds of technologies that are available for the world to use today. We have the convenience of all different types data input and output devices and the means to store and make available at lightning fast speeds. Some of the input devices that we use every day are essential in different kinds situations and projects everyday. We also use many different types of output devices to view our finished product. The input devices that we use are
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Explanations of forgetting Forgetting has multiple meanings in psychology‚ in general it refers to a person’s loss of the ability to recall or a thing they have already learned. This essay will examine the different explanations of forgetting – specifically trace decay‚ displacement‚ interference and/or cue dependent forgetting. Forgetting from STM is usually explained in terms of the information being removed from a limited capacity store. This is due to a lack of availability. The capacity and
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Genetic Drift as an Evolutionary Force Becky Gonzalez Genetics 2450 Lab Section 1262 March 2‚ 2011 Genetic Drift as an Evolutionary Force Genetic drift‚ along with natural selection‚ mutation‚ and gene flow‚ is one of the basic evolutionary forces of evolution. Evolution is the method by which allele frequencies in a population change over time. This process can be random‚ where the changes occur through genetic drift (Hahn and Bentley 2003)
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Outline and evaluate research into Conformity as an explanation of Human Social Behaviour “Conforming” is when a person changes the way they act and think to fit in with the majority of people in a group to gain acceptance. Kelman (1958) said that there are 3 types of conformity‚ Compliance‚ which means going along with others to gain approval and avoid rejection and accepting the group view in public but not private. Identification is conforming to someone who is liked and respected and Internalisation
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Neural and Hormonal Mechanisms in Aggression Aggression in humans has been associated with low levels of serotonin and high levels of dopamine. Usually‚ serotonin has a calming effect‚ which inhibits aggression. When serotonin levels are low‚ this inhibitory effect is removed and people are less able to control their aggressive behaviour. Evidence for the importance of serotonin comes from two main sources. Brown (1982) found that there were low levels of the waste products of serotonin in the
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When evaluating aggression as a behavior we have to consider a person’s intentions as well as the outcome. Elliot Aronson defined aggression as ’behavior aimed at causing harm or pain’. The act of aggression can be seen to be expressed in two different ways depending on where it is assumed to originate from. Those who believe aggression is learned behavior typically emphasize behavior in defining aggression‚ aggression must result in harm. Those who believe aggression as innate drive typically emphasize
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What are historical explanations? Historical explanations are another term for ultimate explanations which are concerned with the entire existence of a group of organisms as opposed to just the explanations of a specific individual. 2. How are Freudian concepts historical explanations? What mistake do such explanations make to manufacture an immediate cause of behavior? Freudian concepts are historical explanations because of the use of childhood experiences as explanations for adulthood behavior
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