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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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Modality(also: Interaction Modality, Interface Modality)
The sensory channel or communication method through which a user interacts with a computer system, such as visual (graphical displays), auditory (speech or non-speech audio), tactile (braille, haptic feedback), or textual (command-line) output, and keyboard, mouse, voice,…
Multimodal Cueing
Multimodal cueing is the simultaneous or selectable use of two or more sensory channels - typically visual, auditory, and somatosensory (vibrotactile) - to guide motor behaviour during rehabilitation or assistive interaction. The rationale is that different modalities engage…
Multimodal Natural Language Generation(also: Multimodal NLG)
Natural language generation systems that produce output coordinated across more than one modality — typically combinations of text or speech with graphics, maps, animation, gesture, or tactile output. Multimodal NLG systems decompose their output into several "channels" that are…
Multisensory Integration
The neural and perceptual process by which the brain combines information from different sensory modalities — sight, hearing, touch, proprioception — into a unified percept. Integration relies on temporal and spatial binding windows that widen with age: older adults tolerate…
Multisensory Interaction(also: Multisensory HCI)
Multisensory interaction is an HCI research area concerned with designing and studying systems that engage two or more human senses - sight, hearing, touch, smell, taste, proprioception - simultaneously or in combination. It differs from multimodal interaction (which typically…

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