Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Embodiment(also: Virtual Embodiment)
- The sense of inhabiting and controlling a virtual body in VR, feeling that the avatar is an extension of oneself rather than a separate entity. Embodiment is fostered through synchronized tracking of physical movements to avatar movements, visual congruence between the user's…
- Emotional Mediation Hypothesis
- A theoretical account, originating in work by Palmer and colleagues, that explains cross-modal associations between sensory attributes (such as colors and musical timbres) as being mediated by shared emotional meaning rather than by direct perceptual mapping. For example, people…
- Environmental Awareness(also: Situational Awareness, Environmental Sound Awareness)
- The perception and understanding of what is happening in one's physical surroundings, particularly through auditory cues. For Deaf and hard of hearing individuals, environmental awareness is often reduced because many everyday signals — appliance timers, doorbells, approaching…
- Environmental Flow(also: Optic Flow, Sensory Flow)
- The ordered changes in a pedestrian's distances and directions to surrounding objects that occur while walking, providing continuous feedback about spatial position and movement through the environment. For sighted people, environmental flow is primarily visual (optic flow), but…
- Exploratory Procedures(also: EPs)
- Exploratory procedures are stereotyped movement patterns that people use when examining objects through touch to identify specific properties. Defined by Lederman and Klatzky in tactile perception research, these are hand and finger configurations that do not correspond to…
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