He wonders if having symbols or pictures would help him to find his messages more efficiently. He wishes he could use symbols as a visual support for pre-stored messages. ![]() Recently he noticed that during a busy moment at work, it was much harder for him to find the letters and words he needed in his text-based system. She wonders if he would benefit from a more text-based AAC system.ĭaniel mostly relies on his text-based system. He often sends short text messages to friends and family. For example, he searches for pictures in Google images or for videos in YouTube. Recently his Mum noticed that he has been typing in text fields. Samuel has used a symbol-based communication system since he was a child. They wonder how symbol-based AAC will affect her literacy development. Her school team would like to develop her literacy skills. Sara is just beginning communication using an AAC system. This is why every person’s experience with symbols and text is individual.ĭifferent experiences with symbols and text However, it uses different cognitive processes to spell a word versus recognize a visual symbol. At some point, it often becomes more efficient to simply type the word and use tools like word prediction to speed the process up. ![]() ![]() The drawback is trying to organize the many words with symbols to find them to communicate efficiently. Selecting a single symbol can be more efficient than typing the whole word. On the other hand, symbol-based AAC uses a graphic image to represent whole words. The primary advantage of text-based AAC is that any word or message can be generated from this small symbol set of letters. When text-based communication is used, words are formed from the 26 letters of the alphabet. What is not simple is deciding which system is best or preferred for a person who cannot rely on their natural speech alone. AAC systems can be divided simply into two categories: those that use picture or symbol supports (symbol-based AAC) and those that use text or typing (text-based AAC).
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