... and seems to be a combination of things, between the mis-development of the pre-frontal cortex (something that’s not usually completed till age 25) and the greater space in the parts of the brain that hold fluid – they’re larger in people with schizophrenia, which suggests that there’s something else in the funciton of the brain that has been taken away…

The voices they can hear can be as real as real sound from the outer world….