Any abnormal mental state with characteristics of serious impairment in the higher brain functions such as perception, cognition and/or cognitive processing. These impairments manifest themselves in delusions, hallucinations or disorganized speech functions. 2. Any sever mental disorder that significantly interferes with function.

PSYCHOSIS: "Paranoid schizophrenia is a psychosis."
Cite this page: N., Pam M.S., "PSYCHOSIS," in, April 28, 2013, (accessed August 4, 2021).