Two Leading Theory

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Another leading theory is prenatal and perinatal factors, brain development defects that occur in fetal life. Environmental influences interfere with genetically programmed brain development, which leads to variations in neural development (McCance and Huether, 551). One link that has been reported is between schizophrenia and viral infections during pregnancy. Complications during delivery may also be associated with increased risk factors for schizophrenia. These would include a difficult delivery, prenatal and perinatal hypoxia. In studies hypoxia has been shown effective at altering brain dopamine function.

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