Augmentative & Alternative Communication (AAC) Hardware

Augmentative & Alternative Communication (AAC) systems are typically a "thing".  They range from low-tech paper based communication systems to high-tech computer based systems.  They are the platform, if you will, for the communication software. They also include access to the software.  There are lo-tech communication systems, too.  These systems do not require a "thing".  These systems include gestures (waving, nodding, and pointing) or manual signs (American Sign Language, Sign Exact English, or modified signs). 

Low- Tech AAC Hardware

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Object System
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Picture Exchange Communication System
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Pragmatically Organized Dynamic Display
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Activity Specific Boards/Aided Language Stimulation

High-Tech AAC Hardware

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Mobile Technology
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Tablet Computing
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Computer
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Tobii/Dynavox

Hardware for Access

How will the person use the hardware to access the device? 
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Point/Direct Select
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Computer Mouse
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Keyboard
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Touch Screen
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Eye Gaze
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1-2 Switches