Controlling pica by components of an overcorrection procedure.

Abstract

Previous studies have shown that pica, the ingestion of inedible objects, can be effectively controlled in mentally retarded subjects using a two- or three-component overcorrection procedure or with one of these components in conjunction with another response-reduction procedure, differential reinforcement of other behavior. The present study showed that one of the components, oral hygiene, could eliminate pica by 2 retarded subjects when used alone. Although oral hygiene was the most effective component, each of the other components, tidying and personal hygiene, did decrease pica. In a later phase we found that a number of different therapists could easily and effectively implement the oral hygiene procedure.

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