| Term | Definition |
| Communication definition | transferring information from one person to another |
| Augmentative communication definition | an alternative form of communication to supplement/augment verbal communication |
| Augmentative and Alternative Communication = | AAC |
| AAC will not | prevent talking/learning how to speak |
| AAC can | improve speech |
| All forms of communication | should be encouraged, should find the method that works best for the person |
| 4 types of AAC that must be addressed by any communication system | Expression of needs/wants, information transfer, social closeness, social etiquette |
| Who needs AAC | anyone with a communication disorder who cannot use standard speech/writing to express wants/needs |
| Those who need AAC may have | a congential disorder - CP, DS, Autism, Apraxia |
| Those who need AAC may also have an acquired disorder | ALS, Stroke, TBI, MS |
| How many people have a communication disorder severe enough to require AAC | 8-12/1000 |