Glossary

Searchable terminology from accessibility, web standards, and related fields.

27 results found in cognition.

Visual Attention Span (VAS, Visual Attention Window)
The number of distinct visual elements that can be processed simultaneously in a single glance. Visual attention span is a cognitive capacity linked to reading ability — when reading, the eyes fixate …
Visual Attention Split (Split Attention, Divided Visual Attention)
The cognitive challenge of needing to divide visual focus between two or more sources of information simultaneously. For deaf and hard of hearing people, visual attention split is a pervasive accessib…
Visual Cognition (Visual Processing, Visual Perception)
The set of mental processes involved in perceiving, interpreting, and responding to visual information, including object recognition, spatial awareness, motion detection, and visual attention allocati…
Visual dispersion (Visual splitting, Divided visual attention)
The cognitive challenge faced by deaf and hard of hearing people when they must simultaneously monitor multiple visual information sources, such as an instructor, presentation slides, a sign language …
Visual search
The perceptual task of scanning a visual scene to locate a specific target among distractors. Visual search is significantly affected by low vision, visual field loss, and other visual impairments, as…
Visuospatial Attention (Visual-Spatial Attention, Visuospatial Processing)
The cognitive ability to attend to, process, and mentally manipulate visual and spatial information in the environment. Visuospatial attention involves orienting to locations in space, tracking object…
Working memory (Short-term memory)
The cognitive system responsible for temporarily holding and manipulating information during complex tasks such as language comprehension, reasoning, and decision-making. Working memory has limited ca…