This study investigated speaking rate and voice onset time (VOT) in speech produced during simultaneous communication (SC) by speakers with normal hearing. The somewhat enlarged voicing contrast during SC was consistent with previous findings regarding the influence of rate changes on the temporal fine structure of speech and voicing contrast…

The current state of research into augmentative and alternative communication (AAC) systems is reviewed, and four dimensions of the study of communication handicap are described: structural, developmental, pragmatic (interaction), and technological. Recommendations regarding standardized research reporting procedures are offered in light of the…