Conceptual behavior in schizophrenics and brain-damaged patients : An analysis of object sorting, block substitution, synonyms, and similarities tasks

It was the purpose of this study to extend investigations of differences in conceptual behavior between schizophrenic and brain-damaged patients, following the lead of McGaughran and Moran and of Grassi. This study was intedned to : (a) determine what behavioral differences, if any, exist in the conceptual thinking of groups of schizophrenic and brain-damaged patients; (b) determine if there was an intraindividual consistency in conceptual performance as shown in the results of serveral concept formation tasks. [...]