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Catatonia is the Rosetta Stone of psychosis

Published online by Cambridge University Press:  22 December 2005

Brendan T. Carroll*
Department of Psychiatry, University of Cincinnati, and Chillicothe VA Medical Center – 116A, Chillicothe, OH45601
Tressa D. Carroll*
The Neuroscience Alliance, West Jefferson,


Recurrent complex visual hallucinations (RCVH) represent a form of psychosis. It may be useful to compare RCVH to another form of psychosis, catatonia. Both include a long list of medical illnesses and have been examined using several different hypotheses. Catatonia has a variety of hypotheses, including neurocircuitry, neurochemistry, and an integrated neuropsychiatric hypothesis. This hypothesis for catatonia supports Collerton et al.'s Perception and Attention Deficit model (PAD) for RCVH.

Open Peer Commentary
Copyright © Cambridge University Press 2005

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