AAC includes all forms of communication other than oral speech. In the same way that every person is uniquely different, AAC Users have their own unique backgrounds too.
Some people who utilize Augmented and Alternative Communication may live with an intellectual difference.
Some people may live with cerebral palsy or have acquired conditions throughout their lives wherein they became AAC users.
AAC advancements have been profound in the last decade, with customized devices and individualized voices.