The Power of Expectation
Many researchers regard the brain as a kind of forecasting machine. This approach also helps to understand how psychosis comes about.

At the side of Anterrabae, Deborah falls into the kingdom of Yr - a kind of parallel world all for her alone. Golden ridges as far as the eye can see, but there is terror and sorrow here too. Anterrabae, the Ever Falling One, and Lactamaeon, another god in eagle form, threaten her: Deborah must not reveal anything about Yr to the people of the real world. "You don't belong with them," they say. Deborah is the main character in the novel I Never Promised You A Rose Garden, in which Joanne Greenberg aka Hannah Green describes her schizophrenic illness.
Schizophrenia affects about one in 200 people at some point in their lives. Typical hallucinations or delusions are hallucinations - patients see things or hear voices that are not there, or develop beliefs that are far from reality. Such psychoses occur in some sufferers only once for a short time, others accompany them for a lifetime.
Not every psychosis is equal to schizophrenia. Similarly unrealistic perceptions can also occur in connection with other brain diseases such as dementia, sometimes even in completely he althy peopleā¦