Bruger:Christian89/Sandkasse2: Forskelle mellem versioner

Factors such as hypoxia and infection, or stress and malnutrition in the mother during [[fetal development]], may result in a slight increase in the risk of schizophrenia later in life.<ref name=Lancet09/> People diagnosed with schizophrenia are more likely to have been born in winter or spring (at least in the [[northern hemisphere]]), which may be a result of increased rates of viral exposures [[in utero]].<ref name=BMJ07/> This difference is about 5 to 8%.<ref name=yolken>{{vcite journal|journal=Herpes |year=2004 |volume=11 |issue=Suppl 2 |pages=83A–88A |month=Jun |title=Viruses and schizophrenia: a focus on herpes simplex virus.|url=http://www.stanleylab.org/publications/VIRUSES.asp |author=Yolken R. |pmid=15319094}}</ref>

 

{{Main|Mechanisms of schizophrenia}}

A number of attempts have been made to explain the link between altered brain function and schizophrenia.<ref name=Lancet09/> One of the most common is the [[Dopamine hypothesis of schizophrenia|dopamine hypothesis]], which attributes psychosis to the mind's faulty interpretation of the misfiring of [[dopamine|dopaminergic neurons]].<ref name=Lancet09/>