What is AAC?
AAC refers to methods of communication used to help individuals who are unable to use verbal speech effectively. It includes both low-tech and high-tech options that augment (support) or replace natural speech.
Types of AAC:
| Type | Description | Examples |
|---|---|---|
| Unaided AAC | Does not use external tools | Gestures, facial expressions, sign language |
| Aided Low-Tech AAC | Uses physical tools, no electronics | Picture boards, communication books, PECS (Picture Exchange Communication System) |
| Aided High-Tech AAC | Involves electronic devices | Speech-generating devices, apps on tablets (e.g., Avaz, Proloquo2Go) |
Purpose in ECSE:
Supports language development
Encourages social interaction
Reduces challenging behaviours due to communication frustration
Empowers children to express needs, feelings, and choices
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