Groups of schizophrenic, psychoneurotic, and brain-damaged patients and normal controls practiced reproducing a set of patterns briefly presented in a fixed order. The normal Ss learned these faster than the other groups, and the brain-damaged group had the greatest difficulty. There was no significant difference between the schizophrenic and the psychoneurotic groups. The results are interpreted as evidence of one type of learning impairment associated with these disorders.
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