The schizophrenia is a psychological illness caused due to the imbalance in the excitatory and inhibitory neurotransmitters in the brain. About 1% of the US population are suffering from schizophrenia. Excessive activity of dopaminergic neurons is associated with the physiology of schizophrenia.
Several genetic and epigenetic factors influence the symptoms of schizophrenia, which makes it difficult to link schizophrenia and genes. The symptoms may from person to person.