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Two visual hallucinatory syndromes

Published online by Cambridge University Press:  22 December 2005

Dominic H. ffytche
Dominic H. ffytche*
Affiliation:
Institute of Psychiatry, De Crespigny Park, London SE5 8AF, United Kingdom
*
d.ffytche@iop.kcl.ac.uk
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Abstract

When viewed from a distance, visual hallucinations fall into one of two symptom patterns, a dichotomy which poses a problem for theoretical models treating them as a single entity. Such models should be broadened to allow for two distinct but overlapping syndromes – one likely to relate to visual de-afferentation, the other to Perception and Attention Deficit (PAD) cholinergic pathology.

Information

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 28 , Issue 6 , December 2005 , pp. 763 - 764
Copyright
Copyright © Cambridge University Press 2005

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References

Notes

1. These syndromes are unrelated to those associated with eye disease described in Santhouse et al. (2000), which would be considered sub-syndromes of the first, predominantly simple hallucination syndrome described here.