title: [Positive and negative symptoms of schizophrenia].
abstract: Since the past century, two groups of symptoms have been recognized in schizophrenia, assuming that they correspond with two types of pathogenic processes. This article presents ideas of the foremost researchers on these two aspects, as well as neurochemical and brain imaging findings that support them.
authors.affiliation: Centro Regional de Información en Salud Mental, Buenos Aires, Argentina.
authors.forename: A J
authors.initials: AJ
authors.lastname: Lagomarsino
mesh_terms: D001921:Brain / Q000503:physiopathology*; D006801:Humans; D011954:Receptors, Dopamine / Q000502:physiology; D012565:Schizophrenic Psychology
chemical_list: D011954:Receptors, Dopamine