This paper presents findings from a study on the use of sign supported Norwegian (SSN) in two individuals with Cri du chat syndrome (CCS). The study gives a first account of some selected aspects of production and intelligibility of SSN in CCS. Possible deviance in manual parameters, in particular inter- and/or intra-subject variation in the use…

The study demonstrated the utility of the alternating treatments design in determining the most efficacious language training approach with mentally retarded children. Oral communication, total communication, and modified total communication were each used with two children in three trials. The preferred approach was consistent within each subject…

The case study involves a developmentally apraxic eight-year-old girl using a multimodal communication system. The Partners in Augmentative Communication Training program was implemented. Results after two months suggested some improvement in communication interaction skills. Issues regarding developmental apraxia and the use of augmentative and…