Picture communication symbols

Picture Communication Symbols (PCS) are a set of color and black & white drawings originally developed by Mayer-Johnson, LLC for use in augmentative and alternative communication (AAC) systems. These AAC systems may be high-tech (Dynamyte) or low-tech such as a communication board.

Several studies have found PCS to be more transparent than other graphic symbols such as Blissymbols (Mizuko, 1987). A graphic symbol is transparent if “the shape, motion, or function of the referent is depicted to such an extent that meaning of the symbol can be readily guessed in the absence of the referent” (Fuller & Lloyd, 1991, p.217). Because of high transparency, PCS symbols are easy to learn by children with little or no speech. Several studies have reported that children with cognitive disabilities learn PCS easily. The communication interventions for individuals who have little or no speech have used PCS successfully for individuals.

The PCS set comprises a core library of roughly 5,000 symbols, supplemented by general-purpose addendum libraries and country-specific libraries for a total of 12,000 symbols. PCS symbols have been translated to 40 different languages.

People can develop their own PCS starting from zero for certain needs to communicate with people with limited speech capabilities. An example is provided to communicate with patients in a hospital room, or at home when they have their abilities reduced.

References

Fuller, D., & Lloyd, L. (1991). Toward a common usage of iconicity terminology. Augmentative and Alternative Communication, 7, 215-220.

Mizuko, M. (1987). Transparency and ease of learning of symbols represented by Blissymbols, PCS, and Picsyms. Augmentative and Alternative Communication, 3, 129-136.

External links

* [http://atwiki.assistivetech.net AT Wiki on Assistivetech.net]
* [http://www.mayer-johnson.com/default.aspx Picture Communication Symbols (PCS)]


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