The mental health of Korean immigrants in São Paulo, Brazil.

This study investigated the frequency of lifetime mental disorders among Korean immigrants in the city of São Paulo, Brazil. Snowball sampling with multiple focuses was used to recruit Korean immigrants older than 18 years and living in São Paulo. A total of 324 Korean immigrants were selected and their mental status was evaluated using a structured interview, namely the Portuguese or the Korean version of the Composite International Diagnostic Interview 2.

Nicotine use in patients with schizophrenia evaluated by the Fagerström Tolerance Questionnaire: a descriptive analysis from a Brazilian sample.

Objective: This is a descriptive study to determine smoking prevalence rates in a convenience sample of patients with schizophrenia and to describe clinical/demographic variables for nicotine use in this population.

Method: Patients with schizophrenia were consecutively invited to answer a standard clinical/demographic questionnaire and a questionnaire on smoking habits (Fagerstrom Tolerance Questionnaire).

Results: Eighty-three patients were interviewed.

How do experts recognize schizophrenia: the role of the disorganization symptom.

Objective: Research on clinical reasoning has been useful in developing expert systems. These tools are based on Artificial Intelligence techniques which assist the physician in the diagnosis of complex diseases. The development of these systems is based on a cognitive model extracted through the identification of the clinical reasoning patterns applied by experts within the clinical decision-making context.

Ayahuasca in adolescence: a neuropsychological assessment.

The purpose of the study was to evaluate neuropsychologically adolescents who use ayahuasca in a religious context. A battery of neuropsychological tests was administered to adolescents who use ayahuasca. These subjects were compared to a matched control group of adolescents who did not use ayahuasca.

Depressive episodes in stable schizophrenia: critical evaluation of the DSM-IV and ICD-10 diagnostic criteria.

Depressive episodes are a common and potentially severe occurrence in schizophrenia but are poorly recognised by psychiatrists. Coherent diagnostic criteria are necessary to improve diagnosis and treatment of these conditions. To evaluate the usefulness of the ICD-10 category of post-schizophrenic depression (PSD) and the DSM-IV category of postpsychotic depressive disorder of schizophrenia (PDDS), 80 clinically stable schizophrenic outpatients were evaluated with two independent measures of depression, a dimensional measure and a categorical measure.