Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
Search results
- Active Perception(also: Active Sensing, Sensorimotor Exploration)
- A view of perception in which the perceiver is not a passive receiver of stimuli but an active agent who moves, orients, and manipulates the environment to gather the sensory information needed for a task. In accessibility and sensory substitution research, active perception is…
- Aphantasia(also: Mind Blindness)
- Aphantasia is a neurological condition in which a person is unable to voluntarily create mental images or visualize objects, people, or scenes in their mind. It affects an estimated 2-5% of the population and exists on a spectrum from reduced imagery to complete absence. In…
- Attention Tunneling(also: Visual Tunneling, Attentional Tunneling, Cognitive Tunneling)
- A phenomenon in which a user concentrates so narrowly on a primary information source - typically a visual overlay, head-up display, or instrument - that they fail to notice relevant events, objects, or hazards in their surrounding environment. In augmented and mixed reality,…
- Awe(also: Awe Experience)
- Awe is an emotional response to perceived vastness — physical, conceptual, social, or spiritual — that requires a person to update their mental models to accommodate it. It blends wonder, reverence, and sometimes fear, and is associated with reduced self-focus, increased…
4 results.