The aim of this study was to determine whether the Pictogram Test (PT; Vygostsky, 1960) a test of logical memory that was developed in Russia, is applicable for diagnosing and understanding thought disturbances in schizophrenia within an English-speaking population. Participants included 62 patients with schizophrenia or schizoaffective disorders and 80 community nonpatients from Russia and the United States. We used correlational analysis to organize PT variables into Concrete (CI), Attribute (AI), and Geometric (GI) indexes.
View Article and Find Full Text PDF