|Classification and external resources| |OMIM||603342 608923
603175 192430| Psychosis (from the Greek ψυχή "psyche", for
mind/soul, and -ωσις "-osis", for abnormal condition or
derangement) refers to an abnormal condition of the mind, and is
a generic psychiatric term for a mental state often described as
involving a "loss of contact with reality". People suffering
from psychosis are described as psychotic. Psychosis is given to
the more severe forms of psychiatric disorder, during which
hallucinations and/or delusions, gross excitement or stupor and
impaired insight may occur. The term "psychosis" is very broad
and can mean anything from relatively normal aberrant
experiences through to the complex and catatonic expressions of
schizophrenia and bipolar type 1 disorder. Moreover a wide
variety of central nervous system diseases, from both external
substances and internal physiologic illness, can produce
symptoms of psychosis. This led many professionals to say that
psychosis is not specific enough as a diagno