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Dopaminergic Balance and Subtypes of Schizophrenia

Published online by Cambridge University Press:  06 August 2018

R. Dávila
Affiliation:
Department of Neurochemistry, Servicio Vasco de Salud, Zamudio, Vizcaya, Spain
M. Zumárraga
Affiliation:
Department of Neurochemistry, Servicio Vasco de Salud, Zamudio, Vizcaya, Spain
I. Andia
Affiliation:
Department of Neurochemistry, Servicio Vasco de Salud, Zamudio, Vizcaya, Spain
E. Manero
Affiliation:
Department of Neurochemistry, Servicio Vasco de Salud, Zamudio, Vizcaya, Spain
F. Retuerto
Affiliation:
Department of Neurochemistry, Servicio Vasco de Salud, Zamudio, Vizcaya, Spain
B. Bárcena
Affiliation:
Department of Neurochemistry, Servicio Vasco de Salud, Zamudio, Vizcaya, Spain
J. Guimón
Affiliation:
Department of Neurochemistry, Servicio Vasco de Salud, Zamudio, Vizcaya, Spain

Extract

Several attempts have been made to relate subtypes of schizophrenia to dopaminergic status. For example, Crow's hypothesis states that Type I schizophrenia is characterised by positive symptoms, increased activity of the dopaminergic system, good response to neuroleptics, and no brain structural changes; and Type II by negative symptoms, reduced dopaminergic activity, poor response to neuroleptics, and brain structural changes. Testing of this hypothesis has, however, been inconclusive, and it seems more likely that both types are inter-related.

Type
II. Biological Aspects
Copyright
Copyright © The Royal College of Psychiatrists 

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