Augmentative and Alternative Communication

Augmentative and Alternative Communication (AAC) is a term that encompasses all forms of communication (other than oral speech) that are used to express thoughts, needs, wants, and ideas.

Pronunciation

Augmentative: /ɔːɡˈmɛntətɪv/ Alternative: /ɔːlˈtɜːrnətɪv/ Communication: /kəˌmjuːnɪˈkeɪʃn/

Etymology

The term "Augmentative and Alternative Communication" is derived from the words "augment" which means to add or enhance something, and "alternative" which refers to other available options. "Communication" comes from the Latin word "communicare" which means to share.

Definition

Augmentative and Alternative Communication (AAC) includes all forms of communication (other than oral speech) that are used to express thoughts, needs, wants, and ideas. We all use AAC when we make facial expressions or gestures, use symbols or pictures, or write.

People with severe speech or language problems rely on AAC to supplement existing speech or replace speech that is not functional. Special augmentative aids, such as picture and symbol communication boards and electronic devices, are available to help people express themselves. This may increase social interaction, school performance, and feelings of self-worth.

Related Terms

• Speech-Language Pathology
• Assistive Technology
• Communication Disorders
• Speech Disorders
• Language Disorders

See Also

• American Speech-Language-Hearing Association
• International Society for Augmentative and Alternative Communication

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