An 11 year old Blind, Retarded male, was treated for self abusive behavior by creating a feeding response incompatible with it. When head beating had been eliminated at feeding time, additional techniques, involving rewards, were used to extend its elimination beyond the eating situation. (Author)

This study reports the procedures used to reduce the relative frequency of psychotic speech in an autistic child, and to produce verbal behavior appropriate for more conventional psychotherapeutic intervention. The results indicated that the subject's verbal behavior was clearly controlled by the token reinforcement schedule used. (Author)