Glossary
Searchable terminology from accessibility, web standards, and related fields.
49 results found in Perception.
- Synaesthesia (Synesthesia)
- Synaesthesia is a perceptual phenomenon in which a stimulus in one sensory modality automatically and involuntarily triggers an additional experience in a different modality or sub-modality - for exam…
- Tactile Exploration Strategy (Haptic Exploration Strategy, Touch Exploration Pattern)
- A systematic approach or pattern that a person uses when exploring tactile graphics, maps, or other touch-based representations. Research has identified several distinct strategies: "following outline…
- Tactile Perception (Cutaneous Perception, Touch Perception)
- Tactile perception is the process of perceiving and interpreting information through the sense of touch, encompassing both cutaneous perception (sensing through the skin in a stationary process, detec…
- Texture Perception (Texture sense, Tactile texture perception)
- The perceptual capacity to detect and characterize surface properties — roughness, smoothness, bumpiness, graininess, stickiness, and directional patterns — through touch, vision, or cross-modal integ…
- Unity Assumption
- A concept from multisensory-perception research (Welch and Warren, 1980; Welch, 1999) describing the observer's implicit judgement that signals arriving through different senses originate from the sam…
- Virtual Texture (Simulated Texture, Haptic Texture)
- A virtual texture is a computer-generated tactile surface property rendered through a haptic device, simulating the feel of roughness, smoothness, or other surface characteristics without a physical m…
- Vista Space (Vista)
- In Montello's classification of psychological spaces, a Vista is a far-field space that can be visually apprehended from a single vantage point without appreciable locomotion - a horizon view, a city …
- Visual Crowding (Crowding)
- A perceptual phenomenon in which the presence of nearby flanking characters or objects makes it harder to recognise a target character, especially in peripheral vision or when the target is small, low…
- Weber's Law (Weber Ratio, Weber's Ratio, Weber-Fechner Law)
- Weber's Law is a foundational principle of psychophysics stating that the smallest detectable change in a stimulus — the just-noticeable difference — is a roughly constant fraction of the stimulus mag…