title: Introduction to the special issue on augmentative and alternative communication.
authors.affiliation: Duke University Medical Center, Durham, NC, USA.
authors.forename: Frank
authors.initials: F
authors.lastname: DeRuyter
authors.forename: David
authors.initials: D
authors.lastname: Beukelman
mesh_terms: D003143:Communication Devices for People with Disabilities; D006801:Humans