Outline and evaluate the biological explanation of depression. Biological explanation of depression can be explained by neurotransmitter dysfunction. Neurotransmitters such as noradrenalin and serotonin have been shown to be linked with depression. Bunney at al (1965) found that there was low levels of noradrenaline function in the brain of depressed individuals. Also‚ post mortem studies found increased noradrenaline receptors in the brains of depressed suicide victims. When there is low noradrenaline
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Outline and evaluate psychological explanations of schizophrenia (24 marks) Brown and Birley studied stressful life events in the role of relapse in schizophrenics. They found that 50% of people experience a stressful life event e.g. death‚ relationship break-up‚ job loss etc. in the 3 weeks prior to a schizophrenic episode. A control sample reported a low and unchanging level of stressful life events over the same period. However not all evidence supports the role of life events. For example‚
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Outline and evaluate psychological explanations for schizophrenia (24) One psychological explanation of SZ was put forward by Bateson et al (1956) who looked at childhood as a base for developing SZ‚ for example the interactions children have with their mothers. His explanation‚ the Double Bind theory‚ states that schizophrenia can occur due to conflicting messages given from parents to their children‚ for example when a parent expresses care but does so in a critical way. This means that the child
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Outline and evaluate biological explanations of obesity Various explanations can be provided for the reasons of obesity‚ from biological explanations‚ to neurological and evolutionary theories. Even socio-economic reasons could give insight into why some people have a higher likeliness of obesity Evolutionarily‚ the thrifty gene hypothesis provides insight as to why many suffer from obesity‚ as it suggests that our current genes are no longer suited to our new environment. Modern day society is
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Outline and assess Realist explanation of crime and deviance. (50 marks) Left Realists provides a casual explanation for crime. Left Realists look at the individual and the causes which could have led them to commit crime. Right Realism comes from a New Right perspective which looks at the causes of crime and what can be put in place to deter criminals. The term ‘crime’ means behaviour that breaks the law. For example‚ someone who commits a crime such as murder or rape is considered a criminal.
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Outline and assess Marxist explanations of social class inequalities In society there are many different factors which divide us and result in social inequality. In this essay‚ I will be covering social class. Karl Marx believed that in society‚ there are two major social classes‚ the bourgeoisie and the proletariats. The bourgeoisie are basically the upper class; in order for you to be classed as a part of them you must own the means of production such as factories etc. In order for these factories
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According to the biological approach the mental disorder Schizophrenia will have an underlying physical cause such as imbalance of hormones‚ brain damage and infection. There is strong evidence that biological factors influence the presence of Schizophrenia. There are certain chemical abnormalities that can be observed in people suffering from schizophrenia. Post-mortems on schizophrenics have shown unusually high levels of dopamine. Dopamine is a brain chemical that increases the sensitivity of
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OUTLINE AND EVALUATE EVOLUTIONARY EXPLANATIONS OF FOOD PREFERENCES (4 MARKS + 16 MARKS) Outline (A01) Tastes experiences come from our taste receptors. These make us sensitive to a range of taste qualities. For example‚ sweet foods are usually associated with carbohydrates that are a great source of energy. Sour food allows us to identify food that has gone off and would therefore contain harmful bacteria. Salt food is vital for the function of our cells. Bitter tastes are associated with
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Examine some of the ways in which Marxists explain crime Marxist theories of crime‚ including the more recent neo-Marxist theories‚ are conflict approaches. They see society based on conflict between social classes‚ and social inequality caused by capitalism as the driving force behind crime. One way that Marxists explain crime is through the law. Marxists argue that the law functions to reinforce the ideology of society – the power of the ruling class over the working class. Many laws can be seen
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Outline and Evaluate the Main Psychological Explanations of Forgetting in both the Short and Long Term Memory Psychologists study memory because it is important to understand how a person remembers‚ how they forget‚ and whether memory is reliable source of past information; this research is particularly important in the case of eyewitness testimonies. Memory is the process whereby a person holds on to information they have experienced. Psychologists categorise memory into 3 processes; encoding
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