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The Picture Exchange Communication System (PECS) is a form of augmentative and alternative communication produced by Pyramid Educational Consultants, Inc. Phase 1: How to Communicate During Phase I, the focus is on teaching the student to initiate social communication. 2  The student is taught to approach the communicative partner with a picture of a desired object or food item and place the picture in the trainer's hand, in order to receive the desired reward.
It was created with families, educators, and resident care providers in mind, so is readily used in a range of settings. PECS begins by teaching an individual to give a picture of a desired item to a âcommunicative partner, who immediately honours the exchange as a request.The system goes on to teach discrimination of pictures and how to put them together in sentences.ECS was developed in 1985 as a unique augmentative/alternative communication intervention package for individuals with autism spectrum disorder and related developmental disabilities.