Current diagnostic criteria delineate schizophrenia as a discrete entity essentially defined by
positive symptoms. However, the role of positive symptoms in psychiatry is being …

Background World population growth is projected to be concentrated in megacities, with
increases in social inequality and urbanization-associated stress. São Paulo Metropolitan …

The presence of delusions is considered a key feature of psychosis, but despite the
psychopathological centrality of the concept of delusion, its definition and comprehension is …

Results Most individuals above the proposed cut off point of the PQ were not under
psychiatric treatment (89%)(Tabe 1). They also displayed a statistically significant higher …

The aim of our study was to assess psychotic-like experiences in the general population
aged 18–30 years old of the city of São Paulo, Brazil. A household survey was conducted …

Childhood trauma is a risk factor for the onset of schizophrenic psychosis. Because the
psychosis phenotype can be described as a continuum with varying levels of severity and …

Background: Whether mental disorders should be considered as categorical or dimensional
has found increasing attention among mental health professionals. Only little is known about …

Several studies have demonstrated that expression of a psychosis phenotype can be
observed below the threshold of its clinical detection. To date, however, no conceptual …

In the last decades, biological and environmental factors related to psychosis were
investigated in individuals at ultra-risk for psychosis (UHR) to predict conversion. Although …

The aim of the present study was to compare change in functioning, affective symptoms and
level of psychosis-risk symptoms in symptomatic adolescents who were treated either in an …