The term schizophrenia’ covers a group of serious psychotic disorders characterised by a loss of contact with reality. It comes from two Greek words: schiz meaning split’ and phren meaning mind’. DSM IV (1994) estimate that the occurrence rate of schizophrenia ranges from 0.2%-2.0% worldwide. There are two main explanations of schizophrenia: the biological explanations and the psychological explanations. In this essay I will critically consider the biological explanations. These include genetics
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one or more Biological Explanation for Schizophrenia The biological theory on Schizophrenia is a determinism theory which states that Schizophrenia is caused by our genetics and things that are involved in our bodies. The biological theory states that the cause of Schizophrenia is due to issues such as our genes‚ and dopamine levels‚ and therefore it can be cured by looking at these issues. The first biological explanation I will look at is the genetic theory of Schizophrenia. There is a
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Provide 2 or more biological explanations of schizophrenia? 1) Genetic Factors Gottesman: Schizophrenia is more common in the biological relatives of a Schizophrenic‚ the closer the degree of genetic relatedness‚ the greater the risk. If a parent has schizophrenia the chance of child having it is 10% MZ twins have 48% chance risk of developing Schizophrenia if their twin has the disorder‚ whereas DZ twins 17% chance of having Schizophrenia if their twin has the disorder‚ that’s more than
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Psychology Schizophrenia Describe two or more biological explanations of schizophrenia. (8 marks) Evaluate biological explanations of schizophrenia. (16 marks) There are many explanations for schizophrenia‚ but the biological explanations have received the most research support‚ according to Comer 2003. To explain schizophrenia from biological perspective‚ we would discuss the disorder from the direction of genetics‚ biochemistry
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evaluate biological explanations of schizophrenia (24 marks) Schizophrenia is a psychotic disorder characterized by distorted thinking‚ impaired emotional responses‚ poor interpersonal skills and a distortion of reality. It is the most common of psychotic disorders that‚ in most countries around the world‚ affects around 1 per cent of the population. In terms of explanations for the disorder‚ two central types of explanations arise – psychological explanations and biological explanations. Whereas
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Schizophrenia is a mental disorder that affects the persons emotions and distorts how a person perceives the world. The person suffering has confused thoughts and has difficulty telling reality from delusion. It can be described by psychological explanations and biological explanations. A biological explanation of schizophrenia is the dopamine hypothesis‚ amounts of low levels of dopamine in the brain causes a loss of balance and co-ordination‚ it has been found in people with ADHD and Parkinson’s
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different explanations for the disorder schizophrenia. One of these explanations is the biological model. This model explains schizophrenia through biological faults‚ for example viral infections and brain abnormalities. Genetic Factors Some psychologists say that schizophrenia can be passed down generations‚ meaning that some people inherit the disorder from their parents. Twin research has consistently shown that identical twins have a greater risk of developing schizophrenia‚ if their
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How do the four biological explanations fit together to explain schizophrenia or are they mutually exclusive? The biological explanation can be divided into subcategories to explain schizophrenia; genetic‚ biochemistry (dopamine hypothesis)‚ brain structure and season of birth explanation. Firstly there’s genetics. This view says some people posses certain genes that predispose them to schizophrenia. However‚ if schizophrenia was totally and always inherited then concordance rates between MZ
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Schizophrenia is a psychotic disorder in which a persons personal‚ social‚ and occupational functioning in normal life deteriorates to unusual perceptions‚ odd thoughts‚ disturbed emotions‚ and motor abnormalities. A person struggling with schizophrenia will lose contact with reality and begin to lose the ability to function at home‚ school‚ or work. Individuals may also suffer from hallucinations and or delusions. There are three main categories of symptoms for schizophrenia: positive symptoms
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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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