What exactly is going on in the brain during auditory hallucinations? And is the act of hearing voices inside one’s head always incontrovertible evidence of psychosis? In recent years, the use of MRIs, PET scans and other imaging technologies has given researchers some specific clues about these and other questions.
This is very interesting, so far there was nothing that confirmed that there are any kinds of brain tissue abnomalities in schizophrenic people, this research, done by a group of researchers at the University of Bergen, Norway can help in the development of new therapy techniques on people with auditory hallucinations.

They spotted an abnormal activity on a brain's area which is related to external speech (the right middle temporal gyrus), which can be the cause of language processing dysfunctions.
Most notably, the group of British researchers hypothesized that if such language dysfunction “has its origins in early brain development, it might be possible to dete