A review of the behavioral literature on self-injurious behavior reveals that few definitive conclusions can be made regarding etiology, maintenance, or treatment. Recent evidence suggests that more thorough assessments are required and that antecedent intervention may hold promise for treatment. (Author/CL)

The nature of emotion in mentally retarded people is considered. Recent research and theory suggest that two approaches are applicable to the study of mental retardation: the behavioral tradition, particularly conditioned emotional responding as well as emotional expression and recognition; and recent investigations of emotional development in…