This brief, co-produced by the National Center on Deaf-Blindness (NCDB) and Accessible Teaching, Learning, and Assessment Systems (ATLAS), provides important information about the differences between students with significant cognitive disabilities who have cortical visual impairment (CVI) and those who have other types of visual impairment (VI).…

This brief, co-produced by the National Center on Deaf-Blindness (NCDB) and Accessible Teaching, Learning, and Assessment Systems (ATLAS), provides important information about students with dual sensory loss who also have significant cognitive disabilities, as well as recommendations for identification and implications for instruction. The…

This report describes a project that uses existing data sets to describe the population of students with significant cognitive disabilities and known or suspected dual sensory loss. It includes students with suspected dual sensory loss because students with significant cognitive disabilities are reported to have unidentified sensory loss (Erickson…

This paper addresses issues in the definition of traditionally underserved persons who are deaf. It notes that these people have traditionally been labeled as low functioning, low achieving, multiply handicapped, minimal language skilled, and disadvantaged. A new definition, developed by the Northern Illinois University Research and Training…