This study examined the impact of various degenerative dementias on access to semantic knowledge and the status of semantic representations. Patients with semantic dementia, primary progressive aphasia, and Alzheimer's disease were compared with elderly controls on tasks of category and letter fluency, with number of words generated, mean lexical…

The report presents information from a survey of the needs and characteristics of children with severe communication disorders in Ontario and the programs available to serve them. It is explained that information was gathered from structured interviews with principals, teachers, and 28 parents of language handicapped children, as well as visits to…