augmentative and alternative communication
Also written as: AAC — Augmentative and Alternative Communication
A set of methods and devices used to supplement or replace natural speech or writing for individuals with severe communication impairments in rehabilitation contexts.
Full Definition
Augmentative and alternative communication (AAC) encompasses unaided systems (such as sign language and facial gestures) and aided systems (such as picture boards, speech-generating devices, and eye-gaze technology). In rehabilitation, AAC assessment and implementation are primarily within the scope of speech-language pathology and are documented in AAC assessment reports and treatment plans. Editors working with rehabilitation documents must recognize that AAC is not synonymous with assistive technology broadly, and that 'augmentative' means supplementing existing communication while 'alternative' means replacing it—a distinction that affects clinical documentation accuracy. The abbreviation AAC is standard and widely understood in the field.
Usage
Usage note: Lowercase in general use; capitalise only when part of a formal program or department title. Define AAC on first reference in documents intended for non-specialist audiences.
In Context
- "Following assessment, the speech-language pathologist recommended augmentative and alternative communication strategies incorporating a high-tech speech-generating device." — AAC assessment report
- "The AAC intervention plan distinguished between augmentative strategies, used alongside residual speech, and alternative strategies for non-speaking periods." — Rehabilitation treatment plan