Glossary
Searchable terminology from accessibility, web standards, and related fields.
16 results found in disabilities and conditions.
- Agrammatic Aphasia (Agrammatism, Non-fluent Aphasia)
- A type of non-fluent aphasia characterised by difficulty with sentence structure and grammar, while word selection is relatively preserved. People with agrammatic aphasia typically produce short, effo…
- Arthritis
- A group of conditions involving inflammation of the joints, causing pain, stiffness, swelling, and reduced range of motion. The most common forms are osteoarthritis (degenerative joint disease) and rh…
- Attention Deficit (Attention Deficit Disorder, ADD, Attention Deficit Hyperactivity Disorder, ADHD)
- A cognitive condition characterised by difficulty sustaining focus, filtering distractions, and maintaining concentration on tasks. Attention deficits are common following traumatic brain injuries and…
- Bipolar Disorder (BD, Manic-Depressive Illness)
- A group of brain disorders that cause extreme fluctuations in a person's mood, energy, and ability to function. Bipolar disorder involves episodes of mania (elevated mood, increased activity, reduced …
- Borderline Personality Disorder (BPD)
- A mental health condition characterized by extreme fluctuations in mood, energy, and ability to function, along with patterns of unstable relationships, distorted self-image, and intense emotional res…
- Communication Impairment (CI, Communication Disorder, Communication Disability)
- Damage to brain functions responsible for language and memory that impairs the expression and understanding of spoken and written language. Communication impairments can result from neurological disea…
- Developmental Disability (DD, Developmental Disabilities)
- A group of conditions arising from impairments in physical, learning, language, or behavioral areas that begin during the developmental period, typically before age 22, and are expected to be lifelong…
- Dexterity (Fine Motor Control, Manual Dexterity)
- The ability to perform precise, coordinated movements with the hands and fingers, including gripping, pinching, typing, and manipulating small objects. Dexterity is distinct from gross motor function …
- Hearing Impairment (Hearing Loss, Hard of Hearing)
- A partial or total inability to hear sounds in one or both ears, ranging from mild to profound. Hearing impairment can be congenital or acquired, and may worsen with age (presbycusis). In digital acce…
- Macular Dystrophy (Macular Degeneration)
- A group of inherited eye conditions that cause progressive damage to the macula, the central part of the retina responsible for sharp, detailed vision. Macular dystrophies, including Stargardt disease…
- Mental Health (Mental Well-Being, Psychological Health)
- A state of well-being encompassing emotional, psychological, and social functioning, in which an individual can cope with normal stresses of life, work productively, and contribute to their community.…
- Muscle Atrophy (Muscular Atrophy)
- A condition involving the wasting or loss of muscle tissue, resulting in decreased muscle strength and endurance. Muscle atrophy can occur due to disuse, neurological conditions, or disease, and often…
- Optic Nerve Hypoplasia (ONH)
- A congenital condition in which the optic nerve is underdeveloped, resulting in varying degrees of vision loss from mild visual impairment to complete blindness. It is one of the most common causes of…
- Primary Progressive Aphasia (PPA)
- A neurodegenerative condition in which language abilities gradually deteriorate over time, in contrast to stroke-induced aphasia which occurs suddenly and may improve with therapy. Primary Progressive…
- Quadriplegia (Tetraplegia)
- A condition involving paralysis or significant loss of motor function in all four limbs and the torso, typically resulting from spinal cord injury at the cervical level, neurological disease, or conge…
- Severe Speech Impairment (SSI)
- A significant limitation in the ability to produce intelligible speech, often resulting from neurological conditions such as cerebral palsy, traumatic brain injury, or stroke. People with severe speec…