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Chapter 5

LING 1P93 Chapter Notes - Chapter 5: Intellectual Disability, Amyotrophic Lateral Sclerosis, Cerebral Palsy

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Richard Welland

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LING 1P93 Chapter 5: ACC Notes
What is AAC?
-augmentative and alternative communication
-eective communication is multimodal: people use a combination of
communication modalities to meet their intended communication goals
-communicators use modalities that are not language based as well: gestures, facial
expressions, vocalizations, vocal inection, speaker proximity, posture, eye gaze
-ACC suggests meeting complex communication needs by augmenting
(supplementing) current communication or providing an alternative mode or form of
Complex communication needs: emphasizes the importance of speech, language,
and/or cognitive abilities for a persons participation in society rather than focusing
solely on the disorder
Speech Generating device: to produce words and phrases as an alternative to
What is an ACC system?
-consists of 4 components that are used to enhance communication
-the selection set of an ACC system refers to the visual, auditory, and tactile
presentation of messages, symbols and codes
Symbol: something that stands for something else; Can be acoustic, graphic,
manual, tactile
-Aided symbol requires a device or accessory that is external to the body to
transmit a message
-Unaided symbols require only ones body: ex. speaking, gesturing etc to
represent meaning
-Acoustic Symbols: sounds or tones processed in the auditory system to
interpret meaning
-Graphic symbols: printed symbols that are usually represented on paper,
boards, or computer
-Picture Communication symbols: lines coupled with written words
-Manual symbols: produced using the body
-Tactile symbols: can be physically manipulated (Ex. braille alphabet)
Variations in the use of Symbols
-in some ACC systems, symbols are used alone whereas in other systems symbols
are combined with one another
-Static & Dynamic Symbol Systems: Static symbols don’t require movement
of change to understand their meaning like a photograph while dynamic symbols
requires movement or change like gestures
-Iconic & Opaque Symbol Systems: Iconicity is the degree to which symbols
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