This article is from the Psychology FAQ, by Rolf Marvin Bøe Lindgren roffe@tag.uio.no with numerous contributions by others.
Where the neurotic and the borderline have a firm if troubled grip on
reality, the psychotic is out of touch with reality.
The DSM III-R has abandoned the concept of psychosis. What used to be
classified as functional psychosis, i.e. psychoses that are not
caused by organic damage of the central nervous system, are now listed
as
* schizophrenia
* paranoid disturbance
* psychotic disturbances which cannot be placed in the other
categories
* severe mood disorders such as melancholia and mania, otherwise
known as manic-depressive and depressive psychoses, or bipolar and
unipolar affective psychoses.
 
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