Individuals
typically use communication aids to solve communicative challenges in a limited
number of situations. Some individuals need to rely more heavily on AAC due to
physical disabilities, medical complications, or other speech and language
disabilities that limit how much speech they are able to produce. These
individuals may find themselves more frequently in situations of not being able
to use speech effectively, and therefore it is worth investing in more
effective AAC methods. For example, some individuals may use an organized
system of picture symbols, or text, in a communication book, mobile device,
computer, and/or on a dedicated speech-generating device.
These
strategies may be used along with vocalizations, facial expressions speech,
word approximations, gestures and sign language. They enable individuals to use
these forms of AAC more intelligibly and specifically than they could with
speech, gestures, and facial expressions alone.
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