While awareness of non-suicidal self-injury (NSSI) appears to be increasing among school counselors, social workers, nurses, and others who work with youth, it remains one of the most difficult behaviors to encounter, with few professionals feeling well equipped to handle these situations. This introductory article aims to define NSSI, describe…

In this case study, interactions were examined between features of Rett syndrome and operant conditioning as determinants of self-injurious behavior (SIB). Analysis suggested different functions for two forms of SIB: automatic reinforcement by sensory stimulation and escape from social interactions. Features of Rett syndrome tended to maximize the…