Autistic people who cannot speak risk being underestimated. Their inability to speak, along with other unconventional behaviors and mannerisms, can give rise to limiting assumptions about their capacities, including their capacity to acquire literacy. In this preregistered study, we developed a task to investigate whether autistic adolescents and…

Literature suggests that illiterate subjects are unaware of the phonological structure of language. This fact may influence the characteristics of aphasic speech, namely the structure of paraphasias. A battery of tests was developed for this study to be used with aphasic subjects (literate and illiterate), in order to explore this topic in more…

This article reviews literature relating to the role of severe congenital speech impairment on phonological processing before reporting on a study of five adults with severe congenital speech impairments and their responses on tasks involving reading, receptive vocabulary, lexical decision making, and phoneme identification. Difficulties with…