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With low-tech devices, a communication partner is involved and must interpret the symbols chosen. Picture Communication Exchange System (PECS) is a commonly used low-tech communication system that teach individuals how to request, comment, and answer questions through the use of line drawings known as Picture Communication Symbols (PCS).
PCS for Non-verbal communication. Picture communication symbols (PCS) are a set of colour and black & white drawings originally developed by Mayer-Johnson, LLC for use in augmentative and alternative communication (AAC) systems. These AAC systems may be high-tech, such as the TD Pilot, or low-tech such as a communication board.
Fixed display devices replicate the typical arrangement of low-tech AAC devices (low-tech is defined as those devices that do not need batteries, electricity or electronics), like communication boards. They share some of disadvantages; for example they are typically restricted to a limited number of symbols and hence messages. [37]
Analog or low-tech communication devices are common among children with autism spectrum disorder who are non-verbal. These communication aids can be as simple as a yes/no board or a laminated piece of paper with the alphabet or pictures. Most boards are used by pointing, gesturing, or gazing at the intended symbol, word or phrase.
Kuburic says her own tech boundaries aren’t limited to owning a dumb phone: “My rules are pretty simple: No electronics in bed, no checking emails or work texts first thing in the morning ...
[29] [30] AAC devices can be no-tech (sign language and body language), low-tech (picture boards, paper and pencils), or high-tech (tablets and speech generating devices). [28] The choice of AAC device is very important and should be determined on a case-by-case basis by speech therapists and assistive technology professionals.
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Communication board: Low-tech AAC device that displays pictures or words to which an individual points to communicate; Communication disorder: Disorders in speech, language, hearing, or listening that create difficulties in effective communication; Disfluency: Interruptions in the flow of an individual's speech