Describe and 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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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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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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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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Describe two biological therapies for schizophrenia and then evaluate each in terms of effectiveness (8 + 16 marks): One biological therapy is the use of typical anti-psychotic drugs‚ such as Chlorpromazine. The main aim of this drug is to treat schizophrenia by reducing the amount of dopamine in the brain. This is because high levels of dopamine are thought to cause schizophrenia‚ therefore by reducing the amount of dopamine‚ the symptoms of schizophrenia should reduce. Typical anti-psychotic drugs
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Outline and evaluate one biological therapy for Schizophrenia? (4 + 8 marks) Antipsychotic medication is an effective way of treating severe forms of Schizophrenia. There are two types medication used: Conventional antipsychotic drugs are dopamine antagonists‚ which means they attach to dopamine receptors but do not stimulate them. By reducing stimulation in the brain‚ medication such as Chlorpromazine can eliminate the positive symptoms of Schizophrenia. Atypical antipsychotic drugs also work
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Biological Criminal Behavior CJA/314 December 12‚ 2011 Biological Criminal Behavior Significant genetic and psychological evidence exists that supports the notion that biology played a role in explaining Mr. Hinckley’s crime of the attempted assignation of President Ronald Reagan by in 1981‚ including seriously injuring to three other people. According to Schmalleger (2012)‚ “The shape of a person’s skull corresponds to the shape of the underlying brain and is therefore indicative of the personality
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Psychology SCHIZOPHRENIA April 30th‚ 2011 Abstract Schizophrenia is a complex mental disorder that has many long term symptoms‚ caused by both genetic and environmental factors and their interactions. Research on pathogenesis has traditionally focused on neurotransmitter systems in the brain‚ particularly those involving dopamine. Schizophrenia has been considered a separate disease for over a century‚ but in the absence of clear biological markers‚ diagnosis
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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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Genetic Disorders: Schizophrenia April 18‚2011 Background Genetic Disorders occur when there is a change or mutation in the information contained in the genes. When cells get older or they have been exposed to something harmful disorders can occur. Genetic disorders can be caused by a mutation in one gene called monogenic disorder‚ by mutations in multiple genes called multifactorial inheritance disorder‚ by a combination of gene mutations and environmental factors‚ or by damage to chromosomes
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