Glossary

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

221 results found in Cognitive Accessibility.

Automated Readability Scoring (ARSS, Automated Readability Scoring System, Readability Assessment)
The use of computational methods to automatically evaluate the reading difficulty level of a text. Traditional readability formulas like Flesch-Kincaid and Dale-Chall use surface features such as aver…
Automatic Readability Assessment (Readability Prediction, Reading Level Assessment)
The computational task of predicting how difficult a text is for a reader, usually expressed as a grade level or a readability score. Modern systems treat readability as a machine-learning classificat…
Ballot Design (Accessible Ballot Design)
The layout and interaction design of the form through which voters select and cast their choices, covering paper ballots, electronic voting machines, and online interfaces. Well-studied accessibility …
Behavioural and Psychological Symptoms of Dementia (BPSD, Behavioural Disturbance, Neuropsychiatric Symptoms)
A range of non-cognitive symptoms and behaviours associated with dementia, including agitation, aggression, wandering, repetitive behaviours, sleep disturbances, anxiety, depression, delusions, and ha…
Cause and Effect Software (Cause and Effect Games, Contingency Learning Software)
Simple interactive software designed for users with significant cognitive or motor disabilities, where any input (such as pressing a switch) produces an immediate sensory response (visual, auditory, o…
Character Recognition
In the context of reading and cognitive accessibility, character recognition refers to the ability to correctly identify and distinguish individual letters and numbers. People with dyslexia often expe…
Circle of Friends (Circle of Support, Circles of Support)
Circle of Friends (or Circle of Support) is a facilitated social-inclusion intervention in which a person with a disability is surrounded by a small, intentional group of peers, family members, and su…
Clarifying Question (Clarifying Questions, Counter-Question)
A clarifying question is a follow-up query posed by a system or interlocutor to resolve ambiguity, fill missing context, or confirm intent before acting on a user's request. In conversational interfac…
Clinical Dementia Rating (CDR, CDR Scale)
The Clinical Dementia Rating (CDR) is a five-point staging scale used to characterise the severity of dementia, originally developed by Hughes and colleagues at Washington University in 1982. A clinic…
Clock Drawing Test (CDT)
The Clock Drawing Test (CDT) is a brief cognitive screening task in which a person is asked to draw a clock face, place the numbers, and set the hands to a specified time (commonly "ten past eleven").…
Co-Regulation (Coregulation)
Co-regulation is the process by which one person helps another manage their emotional or physiological state, through presence, calming behaviours, modelling coping strategies, or environmental adjust…
Cocktail Party Effect (Selective Auditory Attention)
The human ability to focus auditory attention on a single speaker or sound source while filtering out competing background noise or other simultaneous conversations. Named after the experience of foll…
Cognitive Artifact (Cognitive Artefact)
An artificial device — physical or digital — designed or appropriated to maintain, display, or operate on information in ways that support human cognitive performance. The term was codified by Don Nor…
Cognitive Assessment (Neuropsychological assessment, Cognitive testing)
Structured evaluation of cognitive abilities — attention, memory, executive function, language, visuospatial processing, and more — using standardized tasks, questionnaires, or interactive assessments…
Cognitive Decline (Cognitive Deterioration, Cognitive Aging)
A gradual reduction in cognitive abilities such as memory, attention, language, reasoning, and executive function that may occur as part of normal aging or as a symptom of neurological conditions such…
Cognitive Demand (Cognitive Complexity, Cognitive Requirements)
The amount of mental effort, attention, and processing required to use a technology, interface, or system. High cognitive demand in assistive technology interfaces can prevent adoption by users with c…
Cognitive Disability (Cognitive Impairment, Intellectual and Cognitive Disability)
A broad category of disabilities affecting cognitive functions such as memory, attention, problem-solving, reading, language comprehension, and executive function. Cognitive disabilities can be develo…
Cognitive Disability (Cognitive Impairment, Cognitive Disabilities)
A broad term encompassing conditions that affect cognitive processes such as memory, attention, perception, learning, language, and executive function. Cognitive disabilities include intellectual disa…
Cognitive Map (Cognitive Mapping)
An internal mental representation of spatial relationships within an environment, formed through direct experience, exploration, or learning from maps and descriptions. Cognitive maps allow people to …
Cognitive Orthosis (Cognitive Prosthesis, Cognitive Assistive Device)
A technology-based device or system designed to compensate for cognitive deficits by supporting functions such as memory, planning, attention, and task sequencing. Analogous to a physical orthosis tha…