Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 25 of 333
- Anomia (Word-finding difficulty, Anomic aphasia)
- Anomia is a language impairment characterized by difficulty retrieving words during speech, particularly the names of objects, people, or actions. It is the most common symptom across all types of aph…
- Anonymization (Anonymity, Anonymous Communication)
- The process of concealing a person's identity when they create or share content, enabling participation in discussions about sensitive, personal, or controversial topics without fear of identification…
- Anterograde Amnesia
- A form of amnesia in which a person is unable to form new memories following the onset of the condition, while memories from before the injury or illness may remain largely intact. Anterograde amnesia…
- Anthropomorphism (Humanization, Anthropomorphization)
- The attribution of human characteristics, emotions, intentions, or behaviors to non-human entities such as technology, animals, or objects. In assistive technology and conversational AI design, anthro…
- Anticipatory Grasp (Pregrasp Planning, Pre-grasp, Pre-shaping, Anticipatory Grasp Planning)
- Anticipatory grasp refers to the pre-shaping of the hand before contact with an object, based on expectations about the object's size, shape, and orientation. In sighted people this planning is driven…
- Anticipatory Grief (pre-death grief, anticipatory mourning)
- Grief experienced before an expected loss, particularly common among caregivers of individuals with progressive neurodegenerative conditions such as Alzheimer's disease. Anticipatory grief encompasses…
- Anxiety (Anxiety Disorder)
- An emotional and physiological state characterised by apprehension about future threats, accompanied by heightened autonomic arousal (elevated heart rate, muscle tension, shallow breathing), attention…
- Aphantasia (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 popula…
- 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 Severity Rating (ASR Score, Aphasia Severity Rating Scale)
- A clinician-administered ordinal scale, part of the Boston Diagnostic Aphasia Examination, indicating the severity of a person's aphasia on a 0-5 range where 0 indicates no usable speech or comprehens…
- 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 …
- App Review Mining (App Store Review Analysis, User Review Mining)
- The process of systematically extracting, classifying, and analyzing user reviews from app stores such as Google Play and the Apple App Store to identify patterns, issues, and feature requests. In acc…
- AppleVis
- A community-driven website and discussion forum dedicated to accessibility on Apple platforms (macOS, iOS, iPadOS, tvOS, watchOS) for blind and low-vision users. It hosts app directories, podcasts, tu…
- Application Profile (Metadata Application Profile)
- A customization of an existing metadata standard that selects, constrains, or extends elements to meet the requirements of a particular community or application. In accessibility, application profiles…
- Applied Behavior Analysis (ABA, ABA Therapy)
- A therapeutic approach based on behavioral psychology principles that aims to increase desired behaviors and decrease undesired ones through systematic reinforcement. ABA is widely used as an interven…
- 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…
- Applied Behavioural Analysis (ABA, Applied Behavior Analysis)
- A therapeutic approach based on behaviorist principles that uses reinforcement and conditioning to modify behaviour, widely used with autistic children. ABA has become increasingly controversial withi…
- Applied behavior analysis (ABA, Behavior modification, Lovaas method)
- A therapeutic approach based on the science of learning and behavior, widely used in interventions for children with autism spectrum disorder. ABA uses systematic reinforcement — rewarding desired beh…
- Appropriation
- In HCI and accessibility research, the process by which users adapt, repurpose, or extend a technology beyond its designers' original intent to fit their own practices and contexts. Appropriation is o…
- Apraxia (Apraxia of Speech, Childhood Apraxia of Speech, CAS, Verbal Apraxia, Dyspraxia)
- A motor speech disorder in which the brain has difficulty coordinating the muscle movements needed to produce speech, despite the muscles themselves not being weak. The person knows what they want to …