Biological approach to schizophrenia essay

Biological approach to schizophrenia essay

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Marked Essay - Discuss biological explanations of schizophrenia.

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Unfortunately, side effects appear before the benefits of antidepressant medications take effects Tung, A and Procyshyn, M. Phenothiazines are used to treat schizophrenia by decreasing dopamine activity in the brain.

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Chemical abstract join StudyMode to read the full document. High in internal validity Developed new methods of esssay Great advances in understanding the biological basis of behaviour Replicability BUT — scientific methods my not provide the same level of detail.

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Essay Biological, Social and Psychological Causes of Schizophrenia

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Results could also be exaggerated by respondents, indicating that their situation is worse than it actually is.

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Continue Reading Please join StudyMode to read the full document. There are certain chemical abnormalities that can be observed in people suffering from schizophrenia.

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B) Evaluate the Biological Approach’s Explanation of Schizophrenia.

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Expressed emotion as a pattern of family communication is an important factor in tk how well people recover from schizophrenia. Each of these behaviours would be learned from the reinforcement of S-R bonds to form complex behaviour.

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Also psychosocial interventions are required in order to manage the disability that results from negative symptoms and cognitive dysfunction Barry, S.

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Evaluation of Genetic Factors This research shows that there is a definite correlation between genetics and the risk of developing schizophrenia. This suggests that genes play a significant role.

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Kety suggested that appproach the environments were matched, rates of schizophrenia were significantly higher for adoptees that had schizophrenic parents, than adoptees with biological parents without schizophrenia. The early theory that schizophrenia was linked to an overactive dopaminergic circuit in the brain was not supported by post-mortem studies, as not everyone with schizophrenia had biological approach to schizophrenia essay dopaminergic activity on the braon.

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High in internal validity Developed new methods of investigation Great advances in understanding the biological basis of behaviour Replicability BUT — scientific methods my not provide the same level of detail.

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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. Meaden, A and Irving, C.

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Post-mortems on schizophrenics have shown unusually high levels of dopamine.

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When people with schizophrenia take these drugs, it makes their approaxh worse. As the brain is still developing in the teenage years and using any substance that affects the developing process can cause long term psychological effects West London Mental Health NHS Neurotransmitters Neurotransmitters are the chemicals cathedral raymond carver analysis carry messages between the brain cells and biological approach to schizophrenia essay known to relieve some of the symptoms of schizophrenia.

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Antipsychotic medicines are divided into two groups which are:

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The genetic explanation can be evaluated as follows: Graham, C and Herrman, H.

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This highlights the importance of considering both the influences of nature and nurture on our behaviour, as the treatments that have resulted from this theory, such as family therapy, have been effective, as Hogarty et al suggests that such therapy can significantly reduce relapse rates.

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In conclusion, the dopamine hypothesis is not entirely valid when looking at the causes of schizophrenia and is therefore reductionist. Examples of antipsychotic medications include:

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If criminality is a result of past experience, then should criminals still be held responsible for their actions? Human behaviour largely determined by unconscious motives and conflict.

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Around one in two individuals with schizophrenia have a history of drug abuse or addiction. The basic idea is that some people are born with a gene or genes that predispose them towards developing the disorder.

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This paper will outline the biological, social, and psychological …show more content….

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Another assumption of the biological approach is that human behaviour is strongly determined by our genes and genetic approahc. The symptoms of catatonic subtype include the patient to stare and hold their body in a fixed position.

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Seeman reviewed a number of studies and found a density increase in dopamine receptor cells in schizophrenics compared to controls.

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This poses issues in determining a cause and effect relationship, as high expressed emotion could actually be the resulting effect of the troubling nature of schizophrenic symptoms and its diagnosis. Order a custom essay Print this page Search again Word count:

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Further evidence to support the genetic explanation comes from twin studies. However in non-identical twins the chance of the other twin in developing schizophrenia when the first one develops it is 1 in 7, due to the different genetic make-ups NHS Choices

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Therefore, labelling theory is limited in its explanation of schizophrenia, as it is too reductionist in its application, not considering the scientific studies that suggest biological causation. Furthermore, the diathesis biological approach to schizophrenia essay theory of schizophrenia acknowledges how an individual eessay be genetically predisposed to developing the disorder, but that it takes a stressful life event to trigger the disorder.

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Phenothiazines are used to treat schizophrenia by decreasing dopamine activity in the brain. Joseph would argue that the differences in concordance rates between MZ and DZ twins reflect nothing more than the environmental differences that establish the two types of twins. In spite of this, biological reductionism is also a strength, as by isolating just one factor, it allows researchers to investigate that factor scientifically in order to establish cause and effect relationships.

Appear unaware of their surroundings. It treats illnesses by using medical knowledge. Biological Dysfunction as a Cause for Schizophrenia Essay Words 9 Pages Biological Dysfunction as a Cause for Schizophrenia Schizophrenia is a mental disorder, which is characterised by a number of both positive and negative symptoms.

There are two main biological theories which explain the assumed causes of schizophrenia: Also a child born with both parents having schizophrenia has a 1 in 2 chance of developing the condition Patient. Therefore, this is a weakness of the genetic explanation, as there must be other factors that come into play, such as a stressful experience or environment. People who suffer from schizophrenia usually show very inappropriate displays of their actions and feelings.

Humanism rejects the scientific approach. This is supported by Joseph who calculated pooled research prior to and found concordance rates of 7. The Dopamine Hypothesis The dopamine hypothesis says that schizophrenia is caused by an

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