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 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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values and moral beliefs of society. Despite crime and deviance’s threat to society‚ Durkheim saw it as beneficial as it could perform positive functions in society‚ such as‚ firstly; By strengthening collective values. Values can waste away unless people are reminded of the boundaries between right and wrong behaviour. Secondly‚ by enabling social change. Some deviance is necessary to allow new ideas to develop‚ and enable society to change and progress. Thirdly‚ by acting as a safety valve. Deviance
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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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Why do people conform and obey? Psychology Essay 4 Essay: Why do people conform and obey? In psychological terms‚ conformity refers to an individual`s urge to follow the rules or behaviours of a social group to which he belongs. Psychologists have put forward many theories to find out why people conform and obey and have completed studies to confirm their ideas. In this essay I will explain why people conform and obey. An important experiment demonstrating under which circumstances people
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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 the brain cells that promote the individual’s awareness of events around her
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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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Thesis: Don’t conform to society; be an individual. I. The person who chooses to listen to the majority lacks the creative boldness necessary for individualism a. Leads to acceptance of the same ideas II. "Trust thyself" a. don’t rely on others’ opinions b. self esteem is original and mature c. bring order out of chaos III. Children are good models a. Too young to be cynical‚ hesitant‚ or hypocritical-in contrast to adults b. Loyalties cannot be broken IV. Individualists need to resist
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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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