Neuropsychological tests have been used in differentially diagnosing schizophrenic and brain damaged populations. Research indicated some subgroups of schizophrenia exhibit certain symptoms of brain damage; and that schizophrenia involves difficulty in sensory integration. The Haptic Visual Discrimination Test (HVDT) designed to test tactilevisual integration, Bender Gestalt, and Information and Digit Symbol subtests of the WAIS were used to test performance abilities of forty schizophrenic subjects, forty subjects medically diagnosed as brain damaged (10 right hemisphere, 10 left hemisphere, and 20 diffuse), and normals as defined by the standardized age norm scores.
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Neuropsychological tests have been used in differentially diagnosing schizophrenic and brain damaged populations. Research indicated some subgroups of schizophrenia exhibit certain symptoms of brain damage; and that schizophrenia involves difficulty in sensory integration. The Haptic Visual Discrimination Test (HVDT) designed to test tactilevisual integration, Bender Gestalt, and Information and Digit Symbol subtests of the WAIS were used to test performance abilities of forty schizophrenic subjects, forty subjects medically diagnosed as brain damaged (10 right hemisphere, 10 left hemisphere, and 20 diffuse), and normals as defined by the standardized age norm scores.
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