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The causes of schizophrenia that underlie the development of schizophrenia, a psychiatric disorder, are complex and not clearly understood.A number of hypotheses including the dopamine hypothesis, and the glutamate hypothesis have been put forward in an attempt to explain the link between altered brain function and the symptoms and development of schizophrenia.
To make a diagnosis of schizophrenia other possible causes of psychosis need to be excluded. [176]: 858 Psychotic symptoms lasting less than a month may be diagnosed as brief psychotic disorder, or as schizophreniform disorder. Psychosis is noted in Other specified schizophrenia spectrum and other psychotic disorders as a DSM-5 category.
Symptoms of schizophrenia often appear soon after puberty, when the brain is undergoing significant maturational changes. Some investigators believe that the disease process of schizophrenia begins prenatally, remains dormant until puberty, then follows a period of neural degeneration that causes the symptoms to subsequently emerge. [13]
'This will turn out to be the most important break in the disease,' the Broad Institute's director Eric Lander said.
Schizophreniform disorder is a type of mental illness that is characterized by psychosis and closely related to schizophrenia.Both schizophrenia and schizophreniform disorder, as defined by the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR), have the same symptoms and essential features except for two differences: the level of functional impairment and the duration of symptoms.
According to research, alteration in the concentrations of specific chemicals in the brain may also contribute to schizophrenia. [3] Among the 1% of the population affected by this disorder, it is recorded that men are more susceptible than women to being impacted. The disorder typically shows symptoms during adolescence. [5] [3]
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