• Gardner C. Quarton
Part of the Readings from the Encyclopedia of Neuroscience book series (REN)


A psychosis is a human behavioral state characterized by delusions, hallucinations, incoherent communication, loosening of association between ideas, markedpoverty of content of thought, markedly illogical thinking, or behavior that is grossly disorganized or catatonic. The term is unsatisfactory for scientific purposes.


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Further reading

  1. American Psychiatric Association (1980): Diagnostic and Statistical Manual of Mental Disorders, 3rd ed.Google Scholar

Copyright information

© Springer Science+Business Media New York 1989

Authors and Affiliations

  • Gardner C. Quarton

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