psychopathology: psychosis

This term encompasses those serious mental disorders, including schizophrenia, major depression, alcohol withdrawal delirium, and others where the individual "loses touch with reality." Hallucinations and delusions are generally considered psychotic symptoms. The individual experiencing them may be described as psychotic.

Also: neurosis, "no!", paranoia, paranoid, psychotic break, psychoses

Books and Other Media:
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Altered States DVD William Hurt 1980
The film is notable for the effort to depict psychedelic hallucinations resulting from drugs and sensory deprivation.
A Beautiful Mind DVD Russell Crowe, Christopher Plummer 2002
The Caveman's Valentine Samuel L. Jackson, Colm Feore, Ann Magnuson, and Damir Andrei 2001
Chayefsky, Paddy Altered States: A Novel (Hardcover - May 1978)

A Scanner Darkly Keanu Reeves, Winona Ryder, Robert Downey Jr., and Rory Cochrane 2006

The Snake Pit DVD Olivia de Havilland, Mark Stevens, Leo Genn, and Celeste Holm 1948

Tamminga, Carol A. Deconstructing Psychosis: Refining the Research Agenda for DSM-V 2009

Through a Glass Darkly Harriet Andersson, Gunnar Björnstrand, Max von Sydow, and Lars Passgård 1961

Ward, Mary Jane Snake Pit library binding 1996

The Whale Warrior: Pirate for the Sea Paul Watson, Martin Sheen, Robert Hunter, Farley Mowat 2008