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Partner-assisted scanning is a technique used with children who have severe motor and communication impairments, and especially those with additional visual impairment, those who do not yet have an established alternative form of communication, or who are unable to use their usual method, perhaps because their electronic speech output device is being repaired. [3]
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.
They are commonly used for both expressive and receptive communication, whereas the three-dimensional symbols are often used for receptive only communication (i.e. to cue the individual for upcoming events). The type of tangible symbol used is chosen based on the cognitive and sensory abilities of the learner/user.
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]
A word board or communications board is a simple means to help people who have lost the ability to speak. A word board may typically be provided to those recovering after a stroke . [ 1 ] To communicate, the user points at the relevant words, letters or symbols on the board.
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.
Communication partners are encouraged to use the same communication method (as opposed to using signed or spoken language along with protactile) to ensure vision is not unduly privileged. [1] Sharing experience is a core principle of protactile, with tactile imagery evoking sensations in storytelling in the same way that facial expressions do ...
Tactile graphics, including tactile pictures, tactile diagrams, tactile maps, and tactile graphs, are images that use raised surfaces so that a visually impaired person can feel them. They are used to convey non-textual information such as maps, paintings, graphs and diagrams. Tactile graphics can be seen as a subset of accessible images.