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The Picture Exchange Communication System

Lori Frost

Pyramid Educational Consultants

The Picture Exchange Communication System (PECS) is an alternative/augmentative communication system that was developed to teach functional communication to children with limited speech. The approach is unique in that it teaches children to initiate communicative interactions within a social framework. This article describes the advantages to implementing PECS over traditional approaches. The PECS training protocol is described wherein children are taught to exchange a single picture for a desired item and eventually to construct picture-based sentences and use a variety of attributes in their requests. The relationship of PECS’s implementation to the development of speech in previously nonvocal students is reviewed.

Behavior Modification, Vol. 25, No. 5, 725-744 (2001)
DOI: 10.1177/0145445501255004


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