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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Canonical Syllable(also: Canonical Babbling, Well-Formed Syllable)
A canonical syllable is a well-formed syllable in infant babbling that consists of a consonant-like closure (closant) produced by an oral cavity constriction followed by a vowel-like opening (vocant). Canonical syllables typically appear between 5 and 10 months of age in the…
Cerebral Visual Impairment(also: CVI, Cortical Visual Impairment)
Cerebral visual impairment (CVI) is an umbrella term for visual deficits resulting from damage to the brain rather than the eyes. It affects visual perception, including visual acuity, cortical image processing, and pattern recognition. CVI is often associated with additional…
Child Agency
Child agency is a child's capacity to initiate, shape, direct, and sustain activities - including play, conversation, and social interaction - rather than passively accepting adult or peer control. In accessibility research for children, agency is recognised as relational and…

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