Researchers have found elevated levels of inflammation in the dorsolateral prefrontal cortex, a key region in the brain that is affected by schizophrenia in 40% of schizophrenics.Senior researcher Prof Cyndi Shannon Weickert from Neuroscience Research Australia and UNSW, explains: "To find this immune pattern in nearly half of people with schizophrenia raises the possibility that this is in fact a new root cause of the disease."