You are working with an individual with cerebral palsy who has just received a new speech generating device as part of the implementation process. During one of the training sessions, you are working with the individual to understand the meaning of the symbols used on the device, and the spoken language that each symbol represents. Which area of AAC competence are you trying to address during this training session?

linguistic

Explanation:

In simple words, Individuals who want to use AAC suffer serious verbal communication disabilities that are marked by voice, vocabulary, reading , as well as writing disabilities.

Linguistic maturity requires the understanding and skills to use the language(s) spoken and published within the family and culture of the person (see Language in Brief), and also the skill and expertise to use the AAC system's programming language (representations, vocabulary, punctuation).

the answer is d.index