Using the Communication Matrix - Entering Data
A Note about the use of High Tech Communication Devices
Children with severe physical impairments may use mechanical communication devices that involve some sort of symbol system. For instance, they might use an electronic device with various panels to push that are identified by picture symbols or perhaps by printed words. When they press a panel, a recorded voice might be activated that relays the message that is identified by the picture or printed word. In such cases, you would give the child credit for using the type of symbol incorporated into the communication device (that is, pictures of the printed words, or whatever type of symbol is used to identify the messages that can be expressed). Symbols that might be accessed through communication devices are:
Concrete Symbols:
- Photos or drawings
- Objects
Abstract Symbols:
- Written words
- Brailled words
- Abstract 3-dimensional symbols
- Abstract 2-dimensional symbols
Language:
- Combinations of any of the above types of symbols
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