Glossary
Searchable terminology from accessibility, web standards, and related fields.
221 results found in Cognitive Accessibility.
- ARASAAC (Aragonese Portal of Augmentative and Alternative Communication)
- A publicly funded open pictogram library maintained by the Government of Aragon, Spain, providing nearly 12,000 colour and black-and-white pictograms licensed under Creative Commons (BY-NC-SA). ARASAA…
- Abundant Design (Abundant UI Design)
- A design approach for cognitively accessible interfaces in which primary actions are represented by multiple redundant cues — short text, an icon, a distinctive color, and ample size — so users can id…
- Activity Monitoring (Activity Recognition, Activity Tracking)
- The use of sensors, algorithms, and computational models to automatically detect and track a person's actions and behaviours within an environment. In assistive technology contexts, activity monitorin…
- Acts of Assistance
- A framework for designing human-machine interactions in cognitive assistive systems, drawing on speech acts theory from linguistics. Each act of assistance is a structured communication from the syste…
- Adapted Curriculum (Adapted Computer Curriculum, Modified Curriculum, Curriculum Adaptation)
- An adapted curriculum is an educational programme that has been modified to accommodate the learning needs, styles, and abilities of students with disabilities while maintaining the core learning obje…
- Adaptive Behavior (Adaptive Skills, Adaptive Functioning)
- The collection of conceptual, social, and practical skills that people learn and perform in everyday life. Conceptual skills include language, literacy, and self-direction; social skills encompass int…
- Adaptive Disclosure (On-Demand Disclosure, Progressive Disclosure for Accessibility)
- An interface design pattern in which supplementary accessibility content — summaries, keyphrase previews, navigation maps, alternative descriptions — is revealed only when the user requests it rather …
- Alexia (Acquired Dyslexia, Word Blindness)
- An acquired inability to read that results from brain damage, typically from stroke or traumatic brain injury, as distinct from developmental dyslexia which is present from childhood. People with alex…
- Ambient Display (Ambient Interface, Peripheral Display)
- A display or interface that communicates information through subtle environmental changes — such as colour shifts, lighting changes, or gentle sounds — that can be perceived at the periphery of a user…
- Aphasia
- A language disorder that affects a person's ability to communicate, including difficulties with speaking, understanding speech, reading, and writing. Aphasia typically results from brain injury, most …
- Aphasia-Friendly (Aphasia-Accessible, Aphasia-Friendly Design)
- A set of design practices for making written, spoken, and audiovisual content more accessible to people with aphasia. Established principles (Rose, Worrall, Hickson, Hoffmann) include short sentences …
- Applied Behavioral Analysis (ABA, Behavioral Analysis, Behaviour Analysis)
- Applied Behavioral Analysis (ABA) is a scientific approach to understanding and changing behavior through systematic observation, measurement, and evidence-based intervention. In accessibility and dis…
- Attention (Attentional processing, Selective attention)
- The cognitive process of selectively focusing on relevant stimuli while filtering out competing information. Cognitive neuroscience typically decomposes attention into three networks: alerting (mainta…
- Attention Network Test (ANT, ANT-I, ANT-Child)
- A computer-administered cognitive task developed by Fan, Posner, and colleagues that measures three functionally distinct attention networks — alerting (sustained readiness), orienting (shifting atten…
- Auditory Channel Conflict (Audio Channel Competition, Auditory Interference)
- A situation where multiple audio streams compete for a user's attention through the same sensory channel, reducing comprehension and increasing cognitive load. For blind and visually impaired users wh…
- Auditory Comprehension (Listening Comprehension)
- The cognitive and linguistic ability to understand spoken language in real time, including recognising words, parsing grammar, holding clauses in working memory, and integrating meaning across sentenc…
- Auditory Perception (Auditory Processing)
- The ability to interpret and make sense of sound information received through the ears, including distinguishing between similar sounds, recognizing patterns in rhythm and pitch, and processing the te…
- Autism Spectrum Disorder (ASD, Autism)
- A neurodevelopmental condition characterized by differences in social communication, sensory processing, and patterns of behavior or interests. Autism exists on a spectrum, meaning it presents differe…
- Autism Spectrum Disorder (ASD, Autism)
- A neurodevelopmental condition characterized by differences in social communication, sensory processing, and patterns of behavior and interests. Autism exists on a broad spectrum with highly variable …
- Autofill (Form Autofill, Auto-fill)
- A browser or operating-system feature that automatically populates form fields (name, address, email, payment details) from stored user data. From an accessibility standpoint, autofill reduces typing …