Alternative Communication Systems can range from low-tech (communication boards), mid-tech (voice output switches), and high tech (tablet and eye gaze style).
Augmentative and Alternative Communication (AAC) includes all ways to communicate besides talking. These methods can include pointing to words/pictures, spelling, writing, using voice output switches, or using robust high-tech communication AAC devices.
Low Tech
Communication Boards at School/Home
Communication Boards on Playgrounds
Eye Gaze Communication Board
PODD Books (Pragmatic Organization Dynamic Display) is a way of organizing whole word and symbol vocabulary in a book format. The user typically points to communication choices and may need a communication partner to assist in turning pages.
See a PODD Book user in action:
If a person communicates with PECS (Picture Exchange Communication System), they use pictures instead of speech. The person may start with exchanging a picture for a desired item (a picture of a ball in exchange for a ball to play with), with the eventual goal of using the pictures to build phrases ("I want ball"), answering questions, and commenting.
See a PECS user in action:
Mid-Tech
Multi-button voice output switches can be recorded with different messages, allowing for increased communication options.
High-Tech