"[[Psychosis]]" is a term first used in '''[[psychiatry|clinical psychiatry]]''' to refer to '''mental illness''' ''in general''.
In [[psychoanalysis]], however, "[[psychosis]]" is often used to describe a ''severe'' form of '''mental illness''However, while "'''[[neurosis]]'''" is used to describe ''less severe'' forms. [[Freud]] developed theorizes a basic distinction between "'''[[neurosis]]'''" and "[[psychosis]]" which is basic to [[psychoanalysis]], according to which "[[psychosis]]" denotes a ''serious'' type of '''mental illness''' and "'''[[neurosis]]'''" denotes a ''less serious'' type of '''mental illness'''.
=====Ego=====