Differential reinforcement procedures were combined with momentary restraint conditions to reduce the stereotypic behaviors of three visually impaired, severely disabled students (7-10 years old). Procedures were carried out in a classroom setting by classroom staff. (Author/CL)

The case study demonstrates the use of negative reinforcement for initial response conditioning of a seven-year-old deaf, blind, physically handicapped boy. A systematic procedure for reinforcer sampling failed to identify items for positive reinforcers. A procedure for removal of an aversive stimulus (negative reinforcement) was then successfully…

The article reviews the use and limitations of medical and behavioral approaches (restraints, shock, drugs, punishment and aversive stimulation, reinforcement of incompatible behaviors, and overcorrection) to reduce self injury in visually impaired, mentally retarded persons. Legal and ethical considerations are pointed out. (Author/CL)