A single-center, randomized, single blind, controlled study, lasting one year, including the follow-up.
The study is conducted in two groups:the experimental group is based on the OGI method (N=30 patients) and the control group receives craft activities (N = 30 patients).
Psychiatric, neuropsychological and functional aspects are assessed at the beginning, after 30 sessions and 6 months after the intervention. The scale PANSS (Positive and Negative Syndrome Scale) is used for monitoring psychopathological symptoms during the study.
Scales BADS, DAFS-R, ILSS-BR respectively assess executive functions, functionality and basic and instrumental activities of daily living. The neuropsychological evaluation includes a battery to measure attention, executive functions, memory and estimated intellectual efficiency.
Statistical analysis to be used: ANOVA (Analysis of Variance)for repeated measures; data are also calculated to messure clinical efficacy, effect size and needed number to treat.
