A psychosis with a known physiological or neuroanatomical basis or cause.
Psychosis induced by structural brain changes. Emotional instability, irritability, angry outbursts, and inattention are typical symptoms. At any time in the course of the disease, memory, comprehension, ideation, and orientation may become defective. Possible causes include alcohol, narcotics, trauma, syphilis, drugs, poisons, chronic infections, encephalitis, and brain tumors, among many others.
A mental disorder linked to specific medical conditions, including brain tumors, paralysis, pellagra, and brain injuries.