When an oral hygiene punishment procedure was introduced, rumination (regurgitation) of profoundly retarded monozygous adolescent twins was dramatically reduced. The decrease was maintained over a 6 month period and was accompanied by increased rates of socially appropriate behavior. (CL)

In three single-subject experiments with three profoundly retarded adolescent females, the effect of water mist spray on self-injurious and collateral behaviors was compared with either facial screening or forced arm exercise. Results suggested that while water mist spray is effective, it may be less so than alternative procedures. (Author/JW)

The Self-Injurious Behavior Inhibiting System (in which mild and brief contingent electric stimulation is delivered) was evaluated with five cases involving severe mental retardation and previously unmanageable self-injurious behavior. Findings indicated almost complete elimination of the self-injurious behavior with followup suggesting continuing…