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The Biomedical Perspective of Mental Illness - Essay Example

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The paper "The Biomedical Perspective of Mental Illness" describes that some of the symptoms of schizophrenia in clued delusions, which are false beliefs that are not based in reality; hallucinations, which involve seeing or hearing things that do not really exist. …
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The Biomedical Perspective of Mental Illness
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Download file to see previous pages Biochemical causal perspective posits that schizophrenia is caused by excess dopamine in the brain. The use of psychiatric medications has increased significantly because mental illnesses have been perceived as brain diseases resulting from chemical imbalances that can be corrected with disease-specific drugs. Genetically, mental disorders are inherited, for instance, this model states that individuals can inherit a genetic predisposition to depression and other mental disorders provided a close family member had that same mental illness. The biomedical model claims inherent genetic factors is the cause mental disorder or abnormal behaviour arguing that schizophrenia is attributed to predisposing genetic factors. More so, neurotransmitter imbalances in individuals’ brain can as well lead to mental illnesses like depression.
Biologically, depression is mainly caused by reduced levels of serotonin (Larkin 2011, p.125). Some of the evidence supporting the argument that some mental illnesses are caused by physical defects in the brain include the CAT scans performed on genetically identical twins in which one suffered from schizophrenia and the other as well. Notably, the affected twin had some holes in the hippocampus, which explains why the twin had schizophrenia. The twin with a normal brain without an affected hippocampus was able to differentiate memories while the other with an affected brain had difficulty differentiating and this is a key symptom of schizophrenia. More so, mental illness is caused by structural defects and this is supported by the experiment where tissue samples of brain neurons from the twins in which one was affected and the other normal. It was noted that the affected twin had disorganized neurons whereas the normal twin’s neurons were very organized.  ...Download file to see next pagesRead More
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