Outline and Evaluate Biological Treatments for Schizophrenia

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Outline and Evaluate Biological Treatments for Schizophrenia. The meaning of Schizophrenia is the loss of contact with reality also known as split-mind. It shouldn’t be thought of as one disorder as there are several sub-types such as; paranoia, catatonic, disorganised, and undifferentiated; they all have different symptoms. It is a disorder which is estimated at 1% of the population and is more common in males, lower social classes and African-Caribbean’s living in the U.K. Schizophrenia is characterised by a profound disruption of cognition and emotion, which affects a person’s language, thought, perception and sense of self. The assumptions of biological therapies are that schizophrenia can be treated physically and internally, though the use of medication and drugs etc. Conventional antipsychotic drugs are an example of a biological therapy for the treatment of schizophrenia. They reduce the effects of dopamine (a neurotransmitter that helps control the brains reward and pleasure centres) to reduce symptoms of schizophrenia. Dopamine antagonists bind to dopamine receptors but do not stimulate them, blocking their action. Chlorpromazine (a synthetic drug used as a tranquilizer and sedative) can eliminate some of the positive symptoms of schizophrenia such as hallucinations and delusions. The effectiveness of these drugs in reducing symptoms led to the development of the dopamine hypotheses (argues that schizophrenia is based on over-activity of synapses that depend on dopamine.) Another example of a biological therapy for the treatment of schizophrenia is atypical antipsychotic drugs. These drugs act on the dopamine system and also block serotonin receptors in the brain (known as the happy hormone because the level or lack of greatly influences moods and sense of well-being). They help by temporarily blocking D2 receptors and then rapidly dissociating to allow normal dopamine transmission. They are responsible for lowering side effects more than conventional...
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