Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Language-Based Learning Impairment(also: LLI, Language Learning Impairment, Language Learning Disability)
- A developmental condition in which children have difficulty acquiring language and later reading skills while other cognitive abilities appear relatively intact. Language-based learning impairments affect an estimated 20% of preschool and school-aged children, and more than 50%…
- Lexical Semantics
- The branch of linguistics concerned with the meaning of words and the relationships between word meanings, including synonymy, antonymy, and the semantic roles words can fill in sentences. In assistive technology, lexical semantic knowledge is used in AAC systems and text…
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