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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.
Dynavox produce a range of speech generating devices, including the very small 'Xpress', and the 'Tango', which was designed particularly for children. Its newest device is called the Maestro, which, like the older V+ and VMax+ and M 3 , provides options for multiple communication channels including cell phone , text messaging and e-mail .
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]
Gestures are distinct from manual signs in that they do not belong to a complete language system. [6] For example, pointing through the extension of a body part, especially the index finger to indicate interest in an object is a widely used gesture that is understood by many cultures [7] On the other hand, manual signs are conventionalized—they are gestures that have become a lexical element ...
If a device does create a voice output, it is referred to as a speech generating device. While the message may take the form of speech output, it may also be printed as a visual display of speech. Many of these devices can be connected to a computer, and in some cases, they may even be adapted to produce a variety of different languages. [15] [22]
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 ...
Communication can either be verbal or non-verbal. Children with autism require intensive intervention to learn how to communicate their intent. Communication interventions fall into two major categories. First, many autistic children do not speak, or have little speech, or have difficulties in effective use of language. [68]