retrieving from visual memory in schizophernics right hemisphere brain damaged and normal group

short-term visual retrieving processes were investigated in three groups, of schizophernics (n=10), right hemisphere brain damaged (n=10) and a normal grou (n=10) . all of subjects were men and right handed. the study utilized wais (verbal subtests), meaningless syllabuses, retrieve and recall tests and non-verbal patternes retrieve and recall tests. data were analyzed by three factor repeated mesure. results showed a makor retrieval dysfunction in schizophernics and a significant relationship between poor performance on nonverbal tests and right hemisphere brain damage. on the other hand, the normal group significantly performed bettwe than the other two gropus on both verbal and von verbal retrieving tests.