Describe and evaluate two treatments for unipolar depression (25 marks). It has been believed that psychological disorders‚ like physical illnesses‚ have organic causes. Therefore‚ mental disorders are treated just like physical ones. Earlier treatments have included things like trepanning which was carried out in the stone again. Nowadays we have much safer and effective treatments such as therapies and drug treatment. Low levels of both noradrenaline (nora) and serotonin (sero) have been
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Discuss evolutionary explanations of group displays of aggression The adaptive and functional benefits of aggressive behaviour must outweigh the possible costs in order for it to be favourable. Acquisition of status and access to mates are some of the primary motivators of aggression in non-human animals‚ but there are many theories as to why humans have adapted. One of them is the Power-Threat Hypothesis‚ which represents the fear of a political power being in the hands of a minority group. If a
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Psychology Outline and evaluate the multi-store model The MSM was created by Atkinson and Shiffrin (1968) who suggested that memory was comprised of three separate stores. They were; sensory memory‚ short term memory and long term memory. The model shows how information is transferred between the three stores. The model simply shows that when your are given information of environmental stimuli it will enter your sensory memory and only if you pay attention will it enter your short term memory‚
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Outline and evaluate neural and hormonal mechanisms in aggression. There are two main biological explanations to aggression‚ neural and hormonal. The neural explanation is the serotonin and dopamine neurotransmitters and how they affect our aggression; the hormonal mechanisms are the testosterone and cortisol chemicals. Testosterone is a hormone that is more concentrated in men than in women as it is a male sex hormone‚ it is thought to influence aggression from a young age onwards‚ due to its actions
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Outline and evaluate the ‘WMM’ (12marks) The working memory model (WMM) has four components. The central executive controls and monitors the operation of the other 3 components. It also allocates attention. The phonological loop is sub-divided into 2 smaller components‚ the articulatory control system‚ where information is rehearsed sub vocally or in the inner voice and the phonological store where speech is held for a very brief duration in the inner ear. The third component is the visuo spatial
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Describe and evaluate biological explanations of depression There are many different explanations for depression‚ including biological. Links have been found between biochemical‚ genetics and hormonal imbalances with depressed people. In the biochemical explanation‚ a link has been found between neurotransmitter imbalances and depression. Serotonin is associated with pleasure and mood. Mann et al found impaired transmission of serotonin in people with depression. However Julian disagrees with
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Describe and evaluate biological explanations of OCD (10 marks) The biological approach as an explanation of OCD believes that the disorder is caused by a fault in our body‚ either through genes‚ hormones‚ the brain‚ or neurotransmitters‚ therefore suggesting that OCD is caused by our nature‚ rather than our upbringing. This means that since we are born with the body we have‚ if we have OCD‚ it is innate within us. One biological explanation for OCD is the genetic explanation. The genetic
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Outline and evaluate explanations of eating disorders based on the biological model of psychological abnormality [18] Explanations tend to fall into four categories: • Evolutionary • Genetic • Neuroanatomy • Biochemical Evolutionary explanations of behaviour are based on Darwin’s theories of natural and sexual selection. These theories have been applied to eating disorders. It is suggested that the ability to control ones appetite and ignore hunger when food supplies
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Outline and evaluate learning theory as an explanation of attachment. Classical conditioning - Before attachment is learned‚ the infant gains pleasure through being fed. Food is the unconditioned stimulus and pleasure is the unconditioned response. When the infant is being fed‚ the infant associates the person providing the food with the food. The primary caregiver is the neutral stimulus‚ which becomes associated with food (the unconditioned stimulus). When the attachment has been learned
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Outline and assess Marxist explanations of crime Marxist and neo-Marxist approaches and explanations of crime are arguably some of the most controversial‚ for the reason that they state that it is the ruling class that is responsible for criminalising the working classes‚ which goes directly against what official statistics and Functionalists believe. However‚ Marxism and Functionalism do share a similarity in that both believe structures and institutions of society play a very important role
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