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Picture communication symbols (PCS) are a set of colour 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, such as the TD Pilot, or low-tech such as a communication board. PCS symbols are now owned and maintained by Tobii ...
A letter board or letter sign, also known as marquee, is a customizable form of signage that employs individually movable letters of the alphabet.They are used by, e.g., movie theaters to list the current roster of films, churches to display the titles of sermons, and other buildings, people, and institutions whose signs are required to change on a regular basis.
An AAC user indicates a series of numbers on an eye gaze communication board in order to convey a word. Augmentative and alternative communication (AAC) encompasses the communication methods used to supplement or replace speech or writing for those with impairments in the production or comprehension of spoken or written language.
Tangible symbols are a type of augmentative and alternative communication (AAC) that uses objects or pictures that share a perceptual relationship with the items they represent as symbols. A tangible symbol's relation to the item it represents is perceptually obvious and concrete – the visual or tactile properties of the symbol resemble the ...
Example of basic PECS communication board. The Picture Exchange Communication System (PECS) is an augmentative and alternative communication system developed and produced by Pyramid Educational Consultants, Inc. [1] PECS was developed in 1985 at the Delaware Autism Program by Andy Bondy, PhD, and Lori Frost, MS, CCC-SLP. [2]
Stephen Hawking (1942–2018), astrophysicist and prominent SGD user. Speech-generating devices (SGDs), also known as voice output communication aids, are electronic augmentative and alternative communication (AAC) systems used to supplement or replace speech or writing for individuals with severe speech impairments, enabling them to verbally communicate. [1]
ISAAC works to promote augmentative and alternative communication as a known and valued way of communicating worldwide. [6] The society's vision "is that AAC will be recognized, valued and used throughout the world" and the society's mission "is to promote the best possible communication for people with complex needs". [7]
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