Suggests that modern civilization isolates teens from real life and creates constraints that can result in psychosocial disorders. Explains that conflict in adolescence is caused by a mismatch between genetically programmed desires and culturally programmed opportunities. Outlines remedial actions that are necessary to make teenagers' lives…

This review analyzes the origin and maintenance of self-injurious behavior, focusing on the areas of operant contingencies, sensory contingencies, and/or biological variables. It discusses definitions, prevalence, and etiology. A hypothesis is forwarded which includes components from both the operant and biological domains to explain the origin of…