Deaf-blindness is a type of dual disability wherein visual and auditory capabilities are significantly impaired. Special communication methods have been developed for the deaf-blind community. Yet, these methods require that both people involved have prior knowledge and training to successfully communicate, limiting deaf-blind people's social…

This study evaluated acquisition, preference, and generalization of two forms of augmentative and alternative communication (AAC) during functional communication training (FCT) with two students with autism spectrum disorder (ASD). Acquisition of FCT responses, using a picture-based communication system and speech-generating device (SGD; Apple…

Very little is known about how unidentified dual sensory loss (DSL) may affect education and academic outcomes for students with extensive support needs (ESN). We used data from a teacher survey on over 100,000 students with ESN who take U.S. statewide alternate assessments to identify the number of students with known and suspected DSL and the…

Purpose: Families and professionals often consider augmentative and alternative communication (AAC) a "last resort" for persons with communication challenges; however, speaking autistic adults have reported that they would have benefited from access to AAC as children. This tutorial discusses the history of this "last resort"…